The Grammy Awards red carpet  was full of stars, but even more famous faces showed up inside the Nokia  Theatre in LA on Sunday night. Taylor Swift  met up with pal Ed Sheeran in the audience, while Katy Perry  got candid backstage after her performance, where Jared Leto  and Anna Kendrick  met up for the cameras. There were even more memorable star-studded moments, so keep scrolling to see them all, and don't forget to check out pictures of all the Grammys performances .
Jason Flom and Katy Perry  got pointy.
Taylor Swift  had a serious surprised face in the audience.
Beyoncé chatted up Paula Patton.
Chrissy Teigen stood up to snap a pic during the show.
Marc Anthony  met up with Jamie Foxx  and his daughter Corinne.
Steven Tyler sat down next to Marc Anthony  in the audience.
Pharrell Williams hung backstage with Paul McCartney.
Lorde and Taylor Swift  embraced in the audience.
Julia Roberts  met Gloria Esterfan and Marc Anthony  backstage.
Pharrell was in the middle of a Daft Punk sandwich.
Robin Thicke and Paula Patton held hands backstage.
Paul McCartney and Yoko Ono shared a moment.
Beyoncé covered up her stage ensemble backstage.
Bruno Mars took a picture with Paul McCartney.
Macklemore brought his Grammy statue backstage.
Pharrell and Sara Bareilles embraced backstage.
Jared Leto  brought his brother Shannon to the show.
Chrissy Teigen shook Willie Nelson's hand.
Taylor Swift  and Ed Sheeran met up to chat in the crowd.
Anna Kendrick  posed next to Jared Leto .
Paul McCartney chatted with Steven Tyler during a commercial break.
Jaime Foxx and Jay Z hung backstage with producer Ken Ehrlich.
Carey Hart showed Pink love in the crowd.
Katy Perry  shared a laugh with Paul McCartney.
Queen Latifa gave LL Cool J a huge hug.
Paul McCartney and Ringo Starr threw up peace signs.
Beyoncé congratulated Lorde.
Miranda Lambert and Blake Shelton cozied up in their seats.
Keith Urban  chatted with Paul McCartney.
Jay Z and Beyoncé sipped and smiled in the audience.
Jay Z and Pharrell posed with Kendrick Lamar.
Katy Perry  got excited after her performance.
Jared Leto  and his brother Shannon talked to Keith Urban .
Queen Latifa and Beyoncé smiled for a snap.
David Burtka and Neil Patrick Harris  made an appearance in the audience.
Jamie Foxx 's daughter Corinne took a selfie with Paul McCartney.
Jay Z and Beyoncé got excited about Pharrell...and his hat!
Jamie Foxx  cracked up with Jay Z.
Anna Kendrick  met up with Katy Perry .
Macklemore and Ryan Lewis snapped a pic with their ladies Ricia Davis and Jackie Ganger.
Jay Z and Beyoncé hung out with Robin Thicke and Paula Patton in the audience.
Ariana Grande chatted up Gloria Estefan behind the curtain.
Julia Roberts  shared a moment with Paul McCartney.
Queen Latifa teamed up with Macklemore backstage.
The Osbourne family got together behind the scenes.
Jeremy Renner said hi to LL Cool J.
Taylor Swift  hung with Ed Sheeran and a friend in the audience.
Zac Brown met Ringo Starr.