Carrie Bickmore and Lauren Phillips seen partying hard at wild secret post-Derby Day bash after their rude act in The Birdcage

Carrie Bickmore and Lauren Phillips kept the party going after Derby Day on Saturday.

Radio star Lauren Phillips shared a video on Instagram on Sunday from what appeared to be a secret afterparty at a Melbourne hotel.

Fox FM presenter Carrie, 43, was among the crowd of partygoers who danced on a sofa, chatted with other friends and sang karaoke.

Over the black and white clip, Nova FM star Lauren, 37, played Coldplay’s A Sky Full of Stars as she spun around the room to reveal the room filled with racegoers dancing together.

She wrote a small caption that read “how it ended,” followed by several microphone emojis.

Carrie and Lauren appeared to be having the time of their lives together on Saturday during Derby Day at Melbourne’s Flemington Racecourse.

The radio rival laughed it off as they attended the exclusive event together.

At one point, the pair were seen taking a cheeky video and turning the bird towards their camera phone.

Carrie Bickmore and Lauren Phillips kept the party going after Derby Day on Saturday

Radio star Lauren shared a video on Instagram on Sunday from what appeared to be a secret afterparty at a Melbourne hotel

Radio star Lauren shared a video on Instagram on Sunday from what appeared to be a secret afterparty at a Melbourne hotel

Carrie went braless and showed off her figure in a very form-fitting white maxi dress.

Her beautiful outfit had a vulgar cut-out at her bust.

The presenter wore a black fascinator to match her pumps and designer clutch.

Over the black and white clip, Nova FM star Lauren, 37, played Coldplay's A Sky Full of Stars as she spun around the room to reveal the room filled with racegoers dancing together

Over the black and white clip, Nova FM star Lauren, 37, played Coldplay’s A Sky Full of Stars as she spun around the room to reveal the room filled with racegoers dancing together

Fox FM presenter Carrie, 43, was among the crowd of partygoers dancing on a sofa

Fox FM presenter Carrie, 43, was among the crowd of partygoers dancing on a sofa

She completed her look with stylish sunglasses and wore her long blonde hair styled perfectly straight around her shoulders.

Meanwhile, Lauren complemented Carrie’s white outfit perfectly in a striking jet black plunging dress.

Lauren’s stunning dress featured a thigh-high slit that also showed off her long slender legs.

She completed her look with matching heels and sleek sunglasses.

Lauren had her hands full with a black handbag and her luscious brunette hair was elegantly styled, with loose strands framing her elegant features.