The 17-year-old actor kept it casual in a collared shirt while sis Fivel wore MINKPINK‘s “Inca” shoulder dress with a bright orange snakeskin clutch.
BooBoo and Fivel tweeted, “The Blue carpet is crazy cool at the Teen Choice Awards!!!”
The 2011 Teen Choice Awards air live TODAY (August 7) at 8 p.m. on FOX. The Big Bang Theoryâ€™s Kaley Cuoco is hosting the show!