5. All the Stars

WWE's event of the summer is known to attract celebrities, athletes and performers. In years past, Jon Stewart, Stephen Amell, Gabrielle Union, Kellan Lutz, Ronda Rousey, Maria Menounos

5. All the Stars

WWE's event of the summer is known to attract celebrities, athletes and performers. In years past, Jon Stewart, Stephen Amell, Gabrielle Union, Kellan Lutz, Ronda Rousey, Maria Menounos and the cast of Pitch Perfect, among others, have been caught enjoying or participating in the action.