She may not have attended the Golden Globes, but that doesn't mean that Lady Gaga  can't get in on the post-Globes fun. The singer looked unexpectedly normal when she attended HBO's annual Golden Globes afterparty in LA on Sunday night. Gaga wore a gold dress and mingled with Kathy Hilton and the other celebrity guests, which included Tom Hanks , Matt Damon , Sofia Vergara, and the breakout star of the Globes, Lupita Nyong'o. Lady Gaga's boyfriend, Taylor Kinney, didn't drop by the event, but he did attend the Globes to present an award alongside his Chicago Fire costar Jesse Spencer. HBO's fete wasn't the only big bash of the night, as Weinstein and Company  put on a star-studded bash with Netflix while Miranda Kerr  and Nina Dobrev  made red carpet appearances at Warner Bros. and InStyle's post-Globes party . Keep reading to see all the photos from HBO's event.
Matt Damon  and his wife, Luciana, arrived at the party.
Sofia Vergara bared her cleavage.
Matthew McConaughey  and Camila Alves celebrated his win with Cole Hauser.
Megan Mullally and Nick Offerman hit up the afterparties.
Sofia Vergara danced with Jesse Tyler Ferguson's husband, Justin Mikita.
Lupita Nyong'o looked flawless at the HBO party.
Elisabeth Moss  showed off her Golden Globe.
Sofia Vergara partied with Nicholas Loeb.
Hayden Panettiere  didn't make a dress change.
Justin Mikita and Jesse Tyler Ferguson made a handsome pair.
Seth Meyers held on tight to his new wife, Alexi Ashe.
Rita Wilson chatted with Allison Williams.
Rob Lowe  met up with Josh Radnor .
Laura Prepon wore a lace dress.
Michael Douglas and Matt Damon  had a chat inside.
Leslie Mann snuggled up to Andrew Rannells.
Vanessa Hudgens , Ashley Tisdale , Chris French, and Austin Butler met up inside.
Rita Wilson and Leslie Mann partied with their men, Tom Hanks  and Judd Apatow.
Helen Mirren  wore a green frock.
Mike Tyson posed on the carpet with Angela Bassett.
Julia Louis-Dreyfus  looked great in red.
Emily Mortimer wore a white and blue number.
Michael Douglas showed off his award.
Allison Williams and Emilia Clarke linked up inside.
Jemima Kirke arrived at the HBO bash.
Lady Gaga  wore L’Dezen by Payal Shah at Plukka earrings while she mingled with Kathy Hilton.