Celebrities brought their A-game to the Spirit Awards in Santa Monica on Saturday, showing us they won't allow rainy weather to damper the award season excitement. Mud costars Matthew McConaughey  and Reese Witherspoon  grabbed everyone's attention at the mic, and Brad Pitt and Angelina Jolie shared a sweet moment  with winner Lupita Nyong'o. Meanwhile, Jared Leto  brought on the laughs with his hilarious acceptance speech  and later posed for a snap with Lupita and her mom. Keep scrolling to see all the fun unfold, and don't forget to check out all the red carpet arrivals !
Lupita Nyong'o had a smiley chat with Brad Pitt  and Angelina Jolie .
Anna Kendrick  dazzled on stage.
Cate Blanchett  led a round of applause.
Dallas Buyers Club costars Matthew McConaughey  and Jared Leto  got up in the audience.
Lupita Nyong'o took the stage after she won the best supporting female award.
Miles Teller presented an award with Zoë Kravitz.
Sarah Paulson and Jon Hamm  were one of the show's onstage duos.
Lupita Nyong'o posed for a snap with her mom, Dorothy, and Jared Leto .
Anna Kendrick  presented an award with Fred Armisen.
Jared Leto  couldn't contain his excitement around John Waters and Greg Gorman.
Matthew McConaughey  wrapped his arm around Reese Witherspoon .
Mad Men costars Jon Hamm  and Elisabeth Moss  buddied up.
Mud costars Matthew McConaughey  and Reese Witherspoon  presented an award.