Carpool Karaoke, facials and Lady Gaga's new tattoo: come behind the scenes at the Grammys and Baftas

The stars celebrated on both sides of the Atlantic last night, as the Grammys and BAFTAs got underway.

From backstage beauty prep to after-party shenanigans, come dive into all the behind-the-scenes drama right here.

Naomie Harris gets prepped our way
@bafta preparations begin at home with the phenomenal facialist @michaellabolder !! #bafta #facial
#facials #London #homedecor

@naomieharris
... before rocking a Cindarella vibe
This is how I roll to @bafta feeling like Cinderella tonight!!

@naomieharris
Taylor Hill's last-minute preening
Tried to distract myself from the red carpet jitters with a quick touch up #LAbsoluRouge @lancomeofficial

@taylor_hill
Laura Whitmore stops Nicole Kidman for a chat
Girl crushing on Nicole Kidman

@thewhitmore
... before making friends with the chocolate fountain
The chocolate room will always be my favourite of all the rooms @clairebyrn

@thewhitmore

Naomi Campbell and Amy Adams celebrate with Viola Davis
@violadavis you are amazing #congratulations on your @bafta win , more to come. #Amyadams #juliustennon

@iamnaomicampbell
Meryl Streep flashes a smile
Meryl Streep smiles for the camera
.
@GregWilliamsphotography
.
#EEBAFTAs #BAFTAs #filmawards
#MerylStreep

@bafta
Emma Stone revels in her moment
#EmmaStone and #EddieRedmayne
celebrate Emma's best leading actress @BAFTA win for #lalaland
#seemoreonvero link in bio
#eebafta
#gregwilliamsphotography #gregwilliams
#LeicaQ

@gregwilliamsphotography
Lena Dunham and Lorde kick off festivities at a pre-Grammy gala
Love amongst the ruins

@lenadunham
James Corden waits for the show to start
No pressure. #GRAMMYs

@j_corden

Ed Sheeran shares a sneak peek
Playing the Grammys tonight on cbs, tune in !

@teddysphotos
Heidi Klum gets her makeover on
Before and after #grammys
@lindahaymakeup @wendyiles_hair

@heidiklum
Demi Lovato sweats it out
My kind of Grammy prep @unbreakableperformance x @jblaudio
#JBLxDemi #sp

@ddlovato
Lea Michele kicks back with stylist Brad Goreski
Grammys// Bed Series

@leamichele
Giuliana Rancic's glam squad get to work
Grammy Glam under way #eredcarpet

@giulianarancic

Celine Dion arrives in style
En route vers les #GRAMMYs / #GRAMMYs here we come! - Team Céline

@celinedion
Beyoncé and Solange share a sweet sister moment
mathews babies

@saintrecords
Chrissy Teigen has the devil in her eyes
I am a demon and I stole this

@chrissyteigen
... before it all gets too much
Grammys. Beyonce. Done. @jasonderulo @johnlegend

@chrissyteigen
Alicia Keys sparkles backstage
tonight... #GRAMMYs

@aliciakeys

Lady Gaga poses with the woman of the night
This one killin it tonight like girls do

@ladygaga
... and shows off her tribute to Metallica
The Moth & Metallica ?-----→ #ink #tattoo #MothIntoFlame #MetalliGa
#metal #grammys @metallica

@ladygaga
The Weeknd and Daft Punk stop for a snap
@theweeknd
James Corden pulls off his most star-studded 'Carpool Karaoke' yet
This is one star studded #carpoolkaraoke #GRAMMYs

@cbstv
Adele and Busta Rhymes hang out backstage
New besties alert? @adele and @conglomerateent
backstage at the #GRAMMYs

@cbstv

Blue Ivy steals the spotlight
Best seats in the house for a certain special performer! Be sure to keep watching the #GRAMMYs on @cbstv!

@recordingacademy
... while Rihanna stops for a chat
No big deal, it's just @badgalriri talking to #blueivy #GRAMMYs #Blue

@cbstv
The night takes its toll on Chrissy Teigen
My stylist @MonicaRoseStyle just sent me this from last night I mean how and why does anyone work with me ‬

@chrissyteigen