Weeks of award season parties, red carpets, and ceremonies all wrapped up with the Oscars on Sunday. There were so many memorable pictures from the Academy Awards  and beyond and we've rounded them all up right here. From LA's hottest taking over the BAFTAs  to Beyoncé dominating the Grammy Awards , there's plenty to see from the biggest weeks in Hollywood.
Ben Affleck  was in the middle of a Hemsworth brother sandwich at the Vanity Fair Oscars afterparty .
Jay Z and Beyoncé sat together during the Grammys.
At the Globes, Jennifer Lawrence  cracked up alongside Bradley Cooper .
Ladies' night! Odeya Rush, Taylor Swift , Sarah Hyland, Hailee Steinfeld, and Jaime King grouped up at The Weinstein Company's Golden Globes afterparty.
Benedict Cumberbatch got his groove on with Michael Fassbender at Fox's Golden Globes afterparty.
Brad Pitt  wrapped his arm around director Steve McQueen after they both picked up Spirit Awards.
Matthew McConaughey  gave Lupita Nyong'o a huge hug at the SAGs.
Claire Danes  and Hugh Dancy watched the SAGs from their seats.
Leonardo DiCaprio  kissed Lupita Nyong'o on the red carpet at the Producers Guild Awards.
Lupita Nyong'o had a smiley chat with Brad Pitt  and Angelina Jolie  at the Spirit Awards.
Margot Robbie took center stage at the Golden Globes with her The Wolf of Wall Street costar Jonah Hill  as they fumbled through a teleprompter failure.
Brad Pitt  and Angelina Jolie  looked happy in love in the Independent Spirit Awards audience.
Oprah Winfrey  captured a crowd moment before the SAGs.
Katy Perry  got witchy for her performance at the Grammys.
In one of the sweetest couple moments  of the Academy Awards, Camila Alves congratulated Matthew McConaughey  on his big best actor win backstage.
At the Screen Actors Guild Awards, Kerry Washington couldn't resist a kiss from Taylor Hackford.
Mama's boys! Leonardo DiCaprio  and Bradley Cooper  got together with their moms at the Weinstein Company Globes afterparty.
Matthew McConaughey  wrapped his arm around Reese Witherspoon  on stage at the Independent Spirit Awards.
Lupita Nyong'o and Helen Mirren  shared a sweet moment at the Women in Film pre-Oscar cocktail party.
Beyoncé brought down the house at the Grammys when she performed "Drunk in Love."
Lupita Nyong'o and Oprah posed for a photo inside the Critics' Choice Awards.
Mindy Kaling and Anna Chlumsky got photobombed by Timothy Simons during the SAGs.
Matt Damon  and Michael Douglas got excited about their Behind the Candelabra nomination before the SAG Awards.
Naomi Watts  and Liev Schreiber  popped minibottles of Moët & Chandon before the Globes.
Angelina Jolie  and Brad Pitt  got matchy — and giggly — on the red carpet at the BAFTAs.
Prince William greeted fans at the BAFTAs.
Lupita Nyong'o took the Spirit Awards stage after she won the best supporting female award.
Dax Shepard and Kristen Bell  jokingly posed on the Spirit Awards red carpet.
Madonna  and her son, David, dressed up as twins for the Grammys.
Jessica Chastain showed off Drew Barrymore 's baby bump on the Golden Globes red carpet.
Anna Kendrick  snapped a photo during Macklemore & Ryan Lewis's "Same Love" mass wedding  at the Grammys.
Leonardo DiCaprio  shook hands with Martin Scorsese  while Margot Robbie laughed at the Critics' Choice Awards.
Jared Leto  and Ben Affleck  were excited to see each other inside the SAGs.
Naomi Watts  hosted Bulgari's Oscars party, which brought out her pal Kate Hudson .
Jessica Alba  posed for a fan's picture while walking the People's Choice Awards red carpet.
Sofia Vergara and Jesse Tyler Ferguson were superexcited to meet Lupita Nyong'o at The Weinstein Company's SAGs afterparty.
Beyoncé looked excited to see Pharrell's hat at the Grammys.
Pals Sandra Bullock  and Melissa McCarthy got seats next to each other inside the People's Choice Awards.
Jennifer Garner  held onto Ben Affleck 's hand inside the auditorium during the SAG Awards.
Lupita Nyong'o of 12 Years a Slave couldn't believe she won the SAG Award for supporting actress.
Jennifer Lawrence  couldn't contain her excitement when Amy Adams  won best actress for American Hustle at the Golden Globes.
Macklemore & Ryan Lewis performed with Madonna  and Mary Lambert at the Grammys. They were joined by Queen Latifah , who officiated a mass wedding  during their song.
Joseph Gordon-Levitt and Emma Watson  shared an adorable moment when they took the Oscars stage to present the award for best achievement in visual effects.
Oprah Winfrey  and Kerry Washington were too cute while chatting on the SAGs carpet.
Reese Witherspoon  and Camila Alves were basically picture perfect in the Golden Globes audience.
Taylor Swift  and Lorde took a photo at the Grammys.
Matthew McConaughey , Diane Keaton , Gwyneth Paltrow , and Andie MacDowell all picked up honors at the Golden Camera awards in Berlin .
Brad Pitt  cracked up with Julia Roberts , Danny Moder, and Steve McQueen during the SAG Awards.
Pharrell Williams's hat outshined Daft Punk's outfits at the Grammys.
At the Grammys, Yoko Ono and Paul McCartney shared a moment.
Emma Thompson  photobombed Lupita Nyong'o at the SAGs, and it was awesome.
At the Globes, Leonardo DiCaprio  lit up an electronic cigarette at his table, where he sat with the rest of his The Wolf of Wall Street cast.
Ellen DeGeneres  and Heidi Klum  did their best duck faces for the cameras backstage at the People's Choice Awards.
Kerry Washington got up close and personal with Leonardo DiCaprio  on the Golden Globes red carpet.
Julia Roberts  and Meryl Streep  were too cool in sunglasses on the Critics' Choice red carpet.
Anna Gunn and Aaron Paul celebrated their SAG Award win for Breaking Bad in the press room with Bryan Cranston.
Jennifer Lawrence , Bradley Cooper , Brad Pitt , Julia Roberts , Ellen DeGeneres , and more squeezed in for a selfie during the Oscars.
Source: Twitter user TheEllenShow 
Gwyneth Paltrow  and Chris Martin  popped up in the Golden Globes audience despite skipping the red carpet.
Angelina Jolie , Brad Pitt , Lupita Nyong'o, and Chiwetel Ejiofor couldn't contain their excitement when 12 Years a Slave won best picture at the Oscars.
Something seriously cracked Drew Barrymore  up while she was talking to Ellen DeGeneres  backstage at the People's Choice Awards.
Kristen Bell  snapped a selfie backstage at the Critics' Choice Awards.
The fun photobombs  continued after the Oscars, when Jared Leto  snuck up behind Anne Hathaway  on his way into the Vanity Fair bash.
The Brooklyn Nine-Nine cast got silly with their Golden Globe at Fox and FX's afterparty.
Ben Affleck  handed Brad Pitt  his Producers Guild Award.
Ben Affleck  was animated in his speech at the Producers Guild Awards.
There were gold statues all around when Lupita Nyong'o photobombed Jared Leto  while Matthew McConaughey  looked on backstage at the Oscars.
Chris Hemsworth was game for a fan selfie at NBC's Globes afterparty.
Cate Blanchett  and her son Ignatius snapped a photo with Sandra Bullock  at the Critics' Choice Awards.
Bradley Cooper  only had eyes for Suki Waterhouse during the SAGs ceremony.
Ellen DeGeneres  and Justin Timberlake  buddied up at the People's Choice Awards.
Jennifer Lawrence  and Cube Gooding Jr. had a silly red carpet moment at the Screen Actors Guild Awards.
Taylor Swift  and Lena Dunham had a girls' moment during the Globes show.
Charlize Theron  cuddled up to Sean Penn  at Pharrell Williams's pre-Oscars bash.
Amy Poehler 's animated walk to the stage to accept her Golden Globe Award for best actress in Parks and Recreation was a moment to remember.
Jennifer Lawrence  and Nicholas Hoult took a selfie at their Golden Globes table.
To the delight of Vampire Diaries fans everywhere, Ian Somerhalder  gave Nina Dobrev  a kiss on stage at the People's Choice Awards.
Lupita Nyong'o and her gorgeous blue Prada gown  floated down the Oscars carpet.
Rita Ora, Naomi Campbell , Georgina Chapman, and Karen Elson partied with Oprah Winfrey  at the Weinstein Company bash after the BAFTAs in London.
Emma Thompson  and Meryl Streep  shared a silly moment on the SAGs red carpet.
Cheers! Matthew McConaughey , Camila Alves, Jared Leto , and Jennifer Garner  clinked glasses during the SAGs.
Jared Leto  couldn't contain his excitement around John Waters and Greg Gorman at the Independent Spirit Awards.
The cast of 12 Years a Slave posed together with director Steve McQueen inside the Producers Guild Awards.
Pharrell shimmied with Meryl Streep  during his performance of "Happy" at the Oscars — making for one of the best GIFs of the night .
Amy Adams  handed off some Champagne to David O. Russell during the SAG Awards.
Sandra Bullock  and Julie Delpy took a selfie at the Critics' Choice Awards.
Jennifer Lawrence  couldn't contain her excitement for Lupita Nyong'o on her way into the SAGs.
Benedict Cumberbatch made funny faces with Sarah Paulson backstage at the SAGs.
Jared Leto  was psyched when he took home the SAG Award for his work in Dallas Buyers Club.
Reese Witherspoon , Jennifer Garner , Allison Williams, and Elizabeth Banks partied at the Vanity Fair Oscars bash .