LET IT BE KNOWN. Bekahbrunstetter 9 years ago Big Brother Pete turns 35 on Thursday, I am nearly 33, little brothers are nearly 29 and 31 respectively, my parents turn 60 next year, and GAVIN ROSSDALE, FIRE OF MY MIDDLE SCHOOL LOINS: IS 49 YEARS OLD. THANKFULLY WE ALL STILL LOOK GREAT. Share this: