Beauty vlogger Tati Westbrook announced the end of her longtime friendship with makeup artist James Charles in a 43-minute-long YouTube video titled "Bye Sister" on Friday.

In her video, Westbrook said she was "completely blindsided" by Charles, who posted an advertisement for Sugar Bear Hair vitamins on Instagram in April.

The beauty vlogger also accused Charles of "manipulating someone's sexuality," and trying to trick a straight man into thinking he's gay.

Charles released his own video Friday night, in which he said he's "disappointed" in himself, and apologized to Westbrook and her husband.

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On Friday, beauty vlogger Tati Westbrook released a 43-minute-long video explaining why she's ended her friendship with makeup mogul James Charles.

According to Westbrook's video, titled "Bye Sister," Charles "completely blindsided" her when he advertised Sugar Bear Hair vitamins on Instagram in April. The vitamin brand is the top competitor of Westbrook's supplement company, Halo Beauty.

Westbrook also accused Charles of "manipulating someone's sexuality," and trying to trick a straight man into thinking he's gay.

Charles posted his own video on Friday, in which he apologized to Westbrook and her husband, and said he is "disappointed" in himself.

The feud began when Charles advertised Sugar Bear Hair vitamins in April James Charles at the Met Gala Getty/Taylor Hill/FilmMagic Charles first advertised Sugar Bear Hair vitamins in an Instagram story while attending Coachella on April 22.Westbrook took to her Instagram story that same day, and teared up while saying she felt alone within the beauty community, according to Charles first advertised Sugar Bear Hair vitamins in an Instagram story while attending Coachella on April 22.Westbrook took to her Instagram story that same day, and teared up while saying she felt alone within the beauty community, according to Revelist . While she never blamed Charles by name, many fans assumed she was speaking about the popular makeup artist."Everybody says what they need to say and uses who they need to use, and I have had about enough," Westbrook previously said in her video. According to Westbrook's latest video, Charles 'knew' his Sugar Bear Hair advertising deal would 'hurt' her Tati Westbrook attends Vanity Fair and Lancome Toast to The Hollywood Issue at Chateau Marmont on February 23, 2017 in Los Angeles, California. (Photo by Emma McIntyre/Getty Images for Vanity Fair) Westbrook first discussed the Coachella incident at length in her YouTube video on Friday. According to the beauty vlogger, she was "completely blindsided" by Charles, who texted her after he shared his advertisement for Sugar Bear Hair vitamins."James Charles had nine days after Coachella to talk to me — he knows where I live, it's not far from him," Westbrook said in her video. "He could've came face-to-face and chatted with me, because he knew this would hurt me."The YouTuber also said Charles had previously spoken out against Sugar Bear Hair in private, "dragged" influencers who took advertising deals with the brand, and promised his "loyalty" to her supplement brand, Halo Beauty. Is your hair Summer-Ready?💗💕✨ #halojourney #showmeyourhalo #halobeauty via @lielalief A post shared by Halo Beauty (@halobeauty) on Mar 27, 2019 at 12:07pm PDT Mar 27, 2019 at 12:07pm PDT "We've had plenty of in-person conversations that were at length about other influencers doing the same deal, and him not liking Sugar Bear Hair," Westbrook said. Tati Westbrook said "f ame, power, and a fat bank account" influenced James Charles

So blessed to have this amazing soul in my life ❤️ @jamescharles Thank you for helping me feel so beautiful on such an important day ... your talent is out of this world, but you as a person are even more impressive & special. I'm keeping you close as a friend forever. Love you so much Sister 😘😘😘 Photo Credit: @kaua_wedding_photography A post shared by Tati Westbrook (@glamlifeguru) on Jan 13, 2017 at 1:54pm PST Jan 13, 2017 at 1:54pm PST "There's so much going on with James Charles right now that I do not support — I do not agree with," Westbrook said in her video."Fame, power, and a fat bank account will change almost anyone," she continued. "And if you don't have people that will tell you to your face that you're doing the wrong things, you will change. And I tried to be that person for you James, I really tried.""I don't think there's any getting through to you, and I don't want to be friends with you, I don't want to be associated with you, and I need to say that very publicly so that this chapter can just be closed," she said. According to Westbrook, Charles previously refused to promote her vitamin brand because he didn't want to influence his young audience Westbrook first discussed the Coachella incident at length in her YouTube video on Friday. According to the beauty vlogger, she was "completely blindsided" by Charles, who texted her after he shared his advertisement for Sugar Bear Hair vitamins."James Charles had nine days after Coachella to talk to me — he knows where I live, it's not far from him," Westbrook said in her video. "He could've came face-to-face and chatted with me, because he knew this would hurt me."The YouTuber also said Charles had previously spoken out against Sugar Bear Hair in private, "dragged" influencers who took advertising deals with the brand, and promised his "loyalty" to her supplement brand, Halo Beauty."We've had plenty of in-person conversations that were at length about other influencers doing the same deal, and him not liking Sugar Bear Hair," Westbrook said."There's so much going on with James Charles right now that I do not support — I do not agree with," Westbrook said in her video."Fame, power, and a fat bank account will change almost anyone," she continued. "And if you don't have people that will tell you to your face that you're doing the wrong things, you will change. And I tried to be that person for you James, I really tried.""I don't think there's any getting through to you, and I don't want to be friends with you, I don't want to be associated with you, and I need to say that very publicly so that this chapter can just be closed," she said.