Then she met up with Shaun White and the Phelps family.
Shaun White posed with Johnny Mac at a beach volleyball match.
Mark Hoppus posed in front of Olympic Stadium.
Guiliana Rancic found Aly Raisman's family.
Shawn Johnson cheered for the fab 5.
Steve Aoki jumped in front of the the Birmingham Airport Olympics 2012 Watchtower.
Petra Nemcova posed on her way into Olympic Stadium.
Bruce Jenner met fellow Olympian Shawn Johnson.
Stella McCartney watched swimming.
David Beckham met with team GB.
Chef Jamie Oliver posed at the Tower Bridge.
Lebron and Kobe getting ready for gold.
Boris Johnson, Mayer of London, got stuck on a zipline.