'We don't want it to be the last one': Rebel Wilson and the cast of Pitch Perfect 3 wear hilarious two-person Christmas sweaters and weigh in on future sequels on Ellen

The cast of Pitch Perfect 3 made a hilarious appearance on The Ellen DeGeneres Show on Wednesday.

Rebel Wilson, Anna Kendrick, Brittany Snow, and Anna Camp played Heads Up! and discussed the future of the hit musical comedy series with host Ellen DeGeneres.

'We don't know. We're in denial. We don't want it to be the last one,' answered Camp, when asked about the possibility of a fourth installment.

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Aca-awesome! Rebel Wilson, Anna Kendrick, Brittany Snow, and Anna Camp played Heads Up! and discussed the future of the hit musical comedy series with host Ellen DeGeneres

Aca-awesome! Rebel Wilson, Anna Kendrick, Brittany Snow, and Anna Camp played Heads Up! and discussed the future of the hit musical comedy series with host Ellen DeGeneres

The four co-stars were sophisticated chic as they entered the holiday themed set in Burbank, California.

Wilson, 37,  dazzled in a red top and black miniskirt as Kendrick, 32, cut a cool figure in a bedazzled jacket and thigh high boots.

Daring to impress, Snow, 31, looked pretty as a petal in floral couture as Camp rocked a sheer white top.

The comedic actors opened up the interview with a revealing anecdote. 

Arrival: The four co-stars were sophisticated chic as they entered the holiday themed set of The Ellen DeGeneres Show in Burbank, California, for Wednesday's episode 

Arrival: The four co-stars were sophisticated chic as they entered the holiday themed set of The Ellen DeGeneres Show in Burbank, California, for Wednesday's episode 

Laugh it off: The comedic actors opened up the interview with a revealing anecdote about Kendrick forgetting her bra

Laugh it off: The comedic actors opened up the interview with a revealing anecdote about Kendrick forgetting her bra

Kendrick had forgotten her bra and was wearing one of Camp's, which begged Ellen to ask Camp: 'So you travel with two bras?'

Camp quickly quipped: 'No, I'm going commando', with Wilson adding: 'That would never work for me.'

They also touched upon the fact that Snow has a silly theory that everybody has a 'serial killer trait'.

Game on! The co-stars then donned two-person ugly Christmas sweaters to play the Charades-like game Heads Up!

Game on! The co-stars then donned two-person ugly Christmas sweaters to play the Charades-like game Heads Up!

Good sports: The four ladies did their best with the game and looked hilarious in their double-headed holiday knitwear 

Good sports: The four ladies did their best with the game and looked hilarious in their double-headed holiday knitwear 

'When it turns out you're a serial killer, that's the thing people will look at and go "ya know what, I should have known... she preferred creamy peanut butter,"' joked Kendrick.

Snow brought up her theory because she teased Kendrick who lines up all her sunglasses neatly in a row in her hotel rooms.

The co-stars then donned two-person ugly Christmas sweaters to play the Charades-like game Heads Up! 

Stretch it out! Wilson and Kendrick performed a yoga pose, which proved tricky thanks to their choice of outfit for the game

Stretch it out! Wilson and Kendrick performed a yoga pose, which proved tricky thanks to their choice of outfit for the game

Fall down funny: Camp and Snow couldn't contain their laughter and tumbled to the floor

Fall down funny: Camp and Snow couldn't contain their laughter and tumbled to the floor

The first Pitch Perfect debuted in 2012 and was considered a sleeper hit as it earned $115 million worldwide against a $17 million budget.

In 2015, the cast was brought back for an encore with Pitch Perfect 2 which grossed $287 million in five days.

When asked if this was the last sequel, the actors lamented the idea. 

Original hit: The first Pitch Perfect debuted in 2012 and was considered a sleeper hit as it earned $115 million worldwide against a $17 million budget

Original hit: The first Pitch Perfect debuted in 2012 and was considered a sleeper hit as it earned $115 million worldwide against a $17 million budget

'We hope not,' answered Snow.

'If it is the ending, we tried to make it satisfying and cathartic and it was certainly emotional to us because we don't know... it's not up to us if there will be more.

'But we would do it forever if we could,' added Kendrick.

Pitch Perfect 3 debuts December 22.

Third times a charm! Pitch Perfect 3 debuts December 22

Third times a charm! Pitch Perfect 3 debuts December 22

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