sunglasses Gavin Rossdale working out weight watchers shorts work out sweat

We're glad Gavin Rossdale is courteous enough to wipe down himself (and his machines) after hitting the gym, but the Bush rocker must really work up a sweat -- that's quite a few towels he's got there!

On Wednesday we spotted Gavin leaving the gym in Studio City, and it also appears as though he noticed Jennifer Hudson's weight watchers poster on the way out:

sunglasses Gavin Rossdale working out weight watchers shorts work out sweat