Margot Robbie vamped it up on the Toronto set of Suicide Squad on Sunday making her first official appearance as the colorful supervillain Harley Quinn.

The Australian actress, 24, shot her first scenes in the DC Comics adaptation and her costume was simply incredible.

Wearing a torn t-shirt with Daddy's Little Monster on it and some teeny tiny red and blue shiny shorts, the 5'6" stunner strolled confidently past the crew carrying a baseball bat across her shoulders and packing a pistol in an underarm holster.

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Not joking around: Margot Robbie was every inch the supervillain as she arrived on set as The Joker's girlfriend Harley Quinn to film scenes for Suicide Squad on Sunday

Style statement: The stunning star vamped it up on the Toronto set in her crazy costume

Tough cookie: The Australian actress, 25, wore blue and pink bunches and vivid makeup and appeared in character as she pouted her scarlet red lips as she waited for the crew to set up the shot

Margot wore her hair in bunches, one pink and one blue, with one eye shaded pink and the other shaded blue, along with some bright red lipstick and heavily lined eyes.

She had a small black heart etched on her right cheek and had more words and symbols written on her legs and abdomen.

She wore a gold dog collar around her neck and a gold studded leather belt slung low over her hips.

Inked: Margot must have spent a while in the makeup chair with a small black heart etched on her right cheek and more words and symbols written on her legs

Killer looks: The Aussie star, who shot to fame in Wolf of Wall Street, showed off her long legs in her sparkly hotpants and heeled boots

Weapon of choice: Margot carried a baseball bat over her shoulders as she strutted into shot

Packing: Robbie was armed to the hilt with a large gun in an underarm holster as well as her bat

She's got moves: The actress didn't let her super high heels stop her from jumping in the air during her scene

Back in action: Suicide Squad also stars Will Smith, who starred with Robbie in the film Focus. He was also seen shooting scenes on location in Toronto on Sunday as supervillain Deadshot

Busy day: Suicide Squad features plenty of colorful comic book characters and is set for a 2016 release

Gang's all here: Adam Beech as Slipknot, left, and Jay Hernandez as El Diablo, right, also waited in the wings for cameras to start rolling

Action packed: Margot was flanked by army troops and monsters as Will's character walked ahead

Director David Ayer raised the excitement level among fans when he tweeted the first official Suicide Squad cast photo from the set on Sunday.

In the cast shot, captioned 'Task Force X assembled and ready. #SuicideSquad,' lead star Scott Eastwood is seen clasping a huge machine gun to his chest flanked on one side by Enchantress and on the other by Harley Quinn.

Harley Quinn is The Joker's girlfriend and one of the supervillains imprisoned in an asylum who are offered clemency by a secret government agency in return for carrying out covert black ops.

Tough guy: Jai was dressed in lace up boots and a leather coat for his role as Boomerang

Here come the guys: Adam Beach, Jai Courtney, Jay Hernandez, and Will Smith hung out in between scenes

Say cheese: Suicide Squad director David Ayer shared a photo of the villainous group on Sunday on Twitter

Magical powers: Cara Delevingne was seen in full makeup and costume in the first cast group shot. The model, seen right in LA last month, plays Enchantress

Ready for anything: Swedish actor Joel Kinnaman is flanked in the cast photo by Delevingne and Robbie

The raven-haired Enchantress is played by top model Cara Delevingne, 22, also seen Sunday for the first time in full costume and makeup.

Missing though was Jared Leto's The Joker.

The actor is currently in Poland touring with his band 30 Seconds To Mars.

The group photo also included stars Will Smith, Adam Beach, Jai Courtney, Karen Fukuhara, Joel Kinnaman, Adewale Akinnuoye-Agbaje and Jay Hernandez.

Man of the moment: Eastwood, 29, was charm personified as he spent some time posing for photos with fans

Meet and greet: The actor told fans he was eating 'breakfast' because he had to shoot scenes overnight on Sunday into Monday

On a roll: Clint Eastwood's son's acting career is taking off with roles in Fury with Brad Pitt and the upcoming biopic Snowden directed by Oliver Stone

The Warner Bros/ DC Comics film reunites Robbie with her Focus co-star Will Smith, who plays Deadshot.

It was obviously a busy day on set as Smith, too, shot scenes along with several other principal cast members.

Meanwhile, Eastwood, 29, who wasn't required to shoot scenes until later, took some time to meet and greet some lucky fans who gathered near the production's on location base camp.

On the set: Scott was seen standing next to Will as Deadshot on the set

Famous father: The son of Hollywood legend Clint Eastwood was seen in fatigues and holding an assault rifle

Ready for battle: Scott looked ready to rumble in his military gear

The Longest Ride star was preparing for a night shoot and was spotted eating some 'breakfast' out of a container as he chatted with the thrilled fans.

He later was seen in in character wearing military fatigues and carrying a rifle.

The identity of his character has not yet been confirmed but he was spotted standing next to Will as Deadshot while filming.

Kinnaman, 35, who plays Rick Flag Jr., was also waiting at base camp to be called to the set and was seen getting ready for the long night ahead.

Action man: Joel Kinnaman looked ready for a fight as he held his gun in the air

Hanging out: Joel was spotted at the Toronto base camp on Sunday waiting to be called to the location set for a night shoot

Fighting fit: The Swedish-American actor, 35, appeared to have bulked up for his role as Rick Flag Jr in Suicide Squad

Fan fave: The star of TV's The Killing also spent some time talking to fans