Katy Perry and Sam Smith attend Universal Music Group 2015 Grammy After Party. Picture: Splash

Miranda Kerr attends the Warner Music Group annual Grammy celebration at Chateau Marmont. Picture: Getty

Kendall Jenner, Khloe Kardashian, and Kylie Jenner attend GQ and Giorgio Armani Grammys after-party. Picture: Getty

Nicole Trunfio and Gary Clark, Jr. attend the I am Other And Adidas’ Grammy Party. Picture: Getty

Taylor Swift and Jaime King leave the Warner Music Group annual Grammy celebration at Chateau Marmont. Picture: Splash

French Montana, Meek Mill, Khloe Kardashian and Chinx Drugz attend Meek Mill Official Grammy Party. Picture: Getty

Charli XCX performs onstage at the Warner Music Group annual Grammy celebration. Picture: Getty

Lucian Grainge and Rihanna attend the 57th Annual Grammy Awards Universal Music Group After Party. Picture: Splash

Michelle Rodriguez and Paris Hilton attend the Warner Music Group annual Grammy celebration. Picture: Getty

Rita Ora attends GQ and Giorgio Armani Grammys after-party. Picture: Getty

Calvin Harris and model Aarika Wolf attend GQ and Giorgio Armani Grammys after-party. Picture: Getty

Stephen Belafonte and Melanie Brown attend the Warner Music Group annual Grammy celebration. Picture: Getty

Ricky Martin attends GQ and Giorgio Armani Grammys after-party. Picture: Getty

Janelle Monae and Questlove attend GQ and Giorgio Armani Grammys After Party. Picture: Getty

Kim Kardashian, Kanye West, and North West’s Grammy after-party is obviously not in L.A. The family is seen at LAX, making their departure. Picture: Getty

Rihanna smooches with Sam Smith, "Batch @badgalriri." Picture: Instagram

Kim Kardashian, John Legend and Chrissy Teigen make faces in the crowd: "This is the Beck won that award face?!?!?!" Picture: Kim Kardashian Instagram

Besties, "Make up by @ritaora." Picture: Miley Cyrus/Instagram

Uh Oh, superstar couple Chrissy Teigen and hubby John Legend must have forgot their keys: "Locked out". Picture: Chrissy Teigen Instagram

Paris Hilton is "Ready for the Grammys! #SparklingDiamondBarbie. " Picture: Instagram

Ariana Grande and Big Sean steal a quiet smooch following Grande’s show-stopping performance: “ Ari killed that s**t today! I love u baby, congrats Picture: Big Sean/Instagram

Franke Grande and Anna Kandrick get pouty. Picture: Instagram

Franke Grande and Kelly Osbourne compare hair colour, “The queens of the #whiteparty @thegrammys. I love @kellyosbourne!!! #besthair. “Picture: Instagram

Madonna gets cosy with Taylor Swift posting, " #livingforlove backstage with Taylor! #rebelhearts" Picture: Instagram

Diplo gets up close and personal, "Selfie w @madonna #grammys2015 #armanideoderant #baseballbat #greatestartistaofalltimeever." Picture: Instagram

Frankie Grande and Meghan Trainor get friendly, " Cutest couple at @thegrammys. @meghan_trainor." Picture: Instagram

The original material girl shows off some killer nails: “Holding on to MY Grammy’s!.” Picture:Madonna/Instagram

Ariana Grande seems a little starstruck: “Loves gonna lift me up!!!! @madonna.” Picture: Arianna Grande/ Instagram

MUST CREDIT SPLASH WEB RIGHTS ONLY Universal Music Group 2015 Grammy After Party presented by America Airlines and Citi held at The Ace Hotel on Sunday, Feb 8, 2015, in Los Angeles. Pictured: Katy Perry, Sam Smith, Lucian Grainge Ref: SPL947115 090215 Picture by: Invision / Splash News Splash News and Pictures Los Angeles: 310-821-2666 New York: 212-619-2666 London: 870-934-2666 photodesk@splashnews.com

MUST CREDIT SPLASH WEB RIGHTS ONLY Universal Music Group 2015 Grammy After Party presented by America Airlines and Citi held at The Ace Hotel on Sunday, Feb 8, 2015, in Los Angeles. Pictured: Katy Perry, Sam Smith, Lucian Grainge Ref: SPL947115 090215 Picture by: Invision / Splash News Splash News and Pictures Los Angeles: 310-821-2666 New York: 212-619-2666 London: 870-934-2666 photodesk@splashnews.com

MUST CREDIT SPLASH WEB RIGHTS ONLY Universal Music Group 2015 Grammy After Party presented by America Airlines and Citi held at The Ace Hotel on Sunday, Feb 8, 2015, in Los Angeles. Pictured: Katy Perry, Sam Smith, Lucian Grainge Ref: SPL947115 090215 Picture by: Invision / Splash News Splash News and Pictures Los Angeles: 310-821-2666 New York: 212-619-2666 London: 870-934-2666 photodesk@splashnews.com

MUST CREDIT SPLASH WEB RIGHTS ONLY Universal Music Group 2015 Grammy After Party presented by America Airlines and Citi held at The Ace Hotel on Sunday, Feb 8, 2015, in Los Angeles. Pictured: Katy Perry, Sam Smith, Lucian Grainge Ref: SPL947115 090215 Picture by: Invision / Splash News Splash News and Pictures Los Angeles: 310-821-2666 New York: 212-619-2666 London: 870-934-2666 photodesk@splashnews.com