It's called the Guys Choice Awards, but Spike TV's 2014 show is all about Hollywood's sexiest women. With the support of former costars Matthew McConaughey  and Hugh Grant , Sandra Bullock  took home the decade of hotness award when the show took place last Saturday. As for the most desirable woman honor, that trophy went to none other than Rihanna , who got silly with Aaron Paul backstage. Meanwhile, Cameron Diaz  was all smiles with her Sex Tape costar Jason Segel , and Jaime King, Rosario Dawson , and Jessica Alba  formed a trifecta on stage and behind the scenes. Keep reading to see the best pictures before the show airs on Spike TV today at 9 p.m./8 p.m. Central!
Matthew McConaughey  gave his wife, Camila Alves, a big kiss.
Sandra Bullock  joked around with Hugh Grant  and Keanu Reeves .
Cameron Diaz  flashed her megawatt smile.
Andy Samberg  opted for a preppy look.
Charlie Hunnam sported flannel.
Rihanna  gave Aaron Paul bunny ears.
Mark Wahlberg  accepted his award.
Olivia Munn and Rosario Dawson  scored some face time with Matthew.
Chrissy Teigen was the center of attention before the show started.
Aaron Paul hung out with Kit Harington.
Jessica Alba  posed with fellow presenter Jaime King.
Matthew leaned in with Cole Hauser.
Johnny Knoxville popped up at the event.
Aaron Paul linked up with The Walking Dead actor Norman Reedus.
Jessica Alba 's hair appeared to blow in the wind.
Jessica, Rosario, and Jaime brought big energy to the stage.
Jaime King looked elegant in a black dress with long sleeves.
Rosario Dawson  was all smiles.
Olivia Munn's toned physique was front and center.