Businessman-turned-president Donald Trump is exactly what America needs, according to celebrities from Charlie Sheen to Teresa Giudice. From those who once opposed the billionaire to others who've backed him since Day 1, see which well-known people have voiced their support for Trump.

Alveda King Alveda King, Martin Luther King Jr.'s niece, has voiced her support for Donald Trump during several appearances on the Fox Business Network. In August 2016, following an appearance in which Trump said the Democratic Party had failed the African American community, King said during an interview on the network that she "fully" agreed "with so many of the things that he's saying."

Jon Voight "I pray all Americans who have seen and felt the meltdown of America with the Obama years, to please fight for Donald Trump. He will not let us down. I pray for all good people to see clearly what faces us now. The right vote will save our nation," actor Jon Voight told right-wing website Breitbart News in March 2016.

Teresa Giudice Ahead of the election, "Real Housewives of New Jersey" star Teresa Giudice told Bravo's Andy Cohen that she will "of course" vote for Donald Trump. "I think he'll make a great president," she said.

Ted Cruz Ted Cruz said he's voting for Donald Trump for president -- a shocking about-face after he rocked the Republican convention by dramatically refusing to endorse him. The Texas senator said in a September 2016 Facebook post that he made the decision for two reasons. First, his promise to support the Republican nominee. And second, his belief that Democrat Hillary Clinton is "wholly unacceptable."

Kirstie Alley In April 2016, actress Kirstie Alley tweeted "HELLO BOYS! this is my formal endorsement of @realDonaldTrump & I'm a woman! (last I checked) And Rudy, U R amazing!"

Aaron Carter In response to a tweet by Trump -- in which he wrote, "I am self-funding my campaign and am therefore not controlled by the lobbyists and special interests like lightweight Rubio or Ted Cruz!" -- singer Aaron Carter took to Twitter on Feb. 27, 2016, to reply, and endorse, Trump. The musician tweeted, "Does America want to have a president who FOLLOWS or someone who leads? I vote For @realdonaldtrump."

Azealia Banks In a string of May 2016 tweets, rapper Azealia Banks expressed who she "REALLY" wanted to win the 2016 presidential election, according to the hollywoodreporter.com. "I REALLY want Donald Trump to win the election," she said. Adding in another tweet, "Hillary has been GROOMED for the presidency. She's another one of the establishment's robots here to carry out an agenda."

Ben Carson After Ben Carson dropped out of the race, the former presidential candidate and Trump "buried the hatchet" in March 2016, according to CNN.com. Speaking at a news conference at Mar-a-Lago, Trump's luxury club in Florida, Carson said: Trump is "the voice of the people to be heard." Once president-elect, Trump chose Carson to be secretary of the Department of Housing and Urban Development.

Loretta Lynn Singer Loretta Lynn told a Reuters reporter ahead of a January 2016 Trump rally in South Carolina: "Trump has sold me -- what more can I say? . . . I just think he's the only one who's going to turn this country around."

Chris Christie New Jersey Gov. Chris Christie announced his support for Republican presidential candidate Donald Trump during a rally in Fort Worth, Texas, on Friday, Feb. 26, 2016. "I will lend my support between now and November in any way for Donald," Christie told reporters, according to CNN.com.

Kid Rock Kid Rock didn't shy away from telling us how he really feels about Donald Trump: "I'm digging Trump ... My feeling: let the [expletive] business guy run it like a [expletive] business. And his campaign has been entertaining as [expletive]," he told rollingstone.com in early 2016.

Omarosa Manigault Former "Apprentice" star Omarosa Manigault stuck by Trump's side during his campaign, telling nbcnews.com in July 2016 that she was serving as his director of African-American outreach. "I am proud to serve in that role... It's really an extension of the work that the Coalition has already been doing," she said. "I'm very happy to take up that cause for Donald Trump."

Stephen Baldwin Stephen Baldwin chatted with "CNN Tonight" host Don Lemon on July 14, 2015, during which the duo spoke about Trump, and despite falling victim to two firings on "The Celebrity Apprentice," Baldwin said he had nothing but love for the then-candidate: "I think he's fantastic. I love him. I think he'd make a great president. He's not a politician, and he doesn't care what anybody thinks. And that's why he's surging in the polls."

Sarah Palin Former Alaska governor and 2008 vice presidential nominee Sarah Palin endorsed Trump at an Iowa rally in January 2016. Taking the stage next to him, she asked the crowd, "Are you ready for the leader to make America great again? ... Are you ready to stump for Trump? I'm here to support the next president of the United States -- Donald Trump."

Willie Robertson "Duck Dynasty" star Willie Robertson spoke at the Republican National Convention in July 2016 and explained his longtime support for the GOP candidate: "Let me tell you why I’ve been on the Trump train from the beginning. If you’re looking for a job or trying to grow a business like I am, Donald Trump will have your back."

Ivana Trump Not only did Donald Trump's ex-wife Ivana Trump campaign for him by hosting a 2015 luncheon for NYC socialites, but she's also been vocal in interviews, too. "We speak before and after the appearances and he asks me what I thought," she told the New York Post in April 2016, explaining that he'd make a good president because "he just says it as it is."

Hulk Hogan When TMZ asked Terry Gene Bollea, better known as Hulk Hogan, in August 2015 which presidential candidate he'd be most excited to leg drop, he replied, "I dont want to be in the ring with any candidiates. I want to be Trump's running mate."

Tila Tequila TV personality Tila Tequila took to YouTube in October 2015 to endorse Trump, while admitting that at first she "laughed at him" and thought of him as "a joke" and "just another puppet."

Charlie Sheen Charlie Sheen went from expressing his dismay for Trump, tweeting on July 18, 2015: "'Trump you're a sad & silly homunculus your words as poignant as a sack of cat farts You're a shame pile of idiocy," to supprting him. On Aug. 27, 2015, he switched gears and tweeted, "...If Trump will hv me I'd be his VP in a heartbeat! #TrumpSheen16."

Ann Coulter Conservative social and political commentator Ann Coulter authored the book "In Trump We Trust."

Lou Ferrigno When TMZ.com caught up with Lou Ferrigno in July 2015, the actor and former "Celebrity Apprentice" contestant confirmed he's a conservative and said he hoped Trump would go "all the way" in the race for White House.

Stacey Dash Donald Trump has a fan in "Clueless" star Stacey Dash. On June 12, 2016, following the shooting at Pulse nightclub in Orlando, the actress tweeted: "My heart and prayers are with the LBGT community. This atrocity would not go unanswered under President Trump I promise!! #PrayingForOrlando."

Ted Nugent In one of several columns Ted Nugent has written for conservative news website WorldNetDaily.com, the rocker blasted President George W. Bush's former press secretary Ari Fleischer for criticizing the Republican candidate. He called for Trump to receive the Medal of Freedom, saying his much-touted "tell-it-like-it-is" demeanor is "refreshing to millions of Americans who believe political correctness is a public cancer that has eroded free speech and everything else good about America."

Mike Tyson Heavyweight champ Mike Tyson went on HuffPost Live in October 2015 and revealed he would endorse presidential candidate Donald Trump. "He should be president of the United States," Tyson said.

Gary Busey Ahead of the election, "Lethal Weapon" actor Gary Busey encouraged his fellow Americans to vote for Trump via a People.com video, saying, "Our country is in need of a leader that understands the power of the country, not a big government taking over everything."