Will Arnett Reveals Which Celebrity Neighbor He and Bradley Cooper Used to Fan Over as Young Actors Living in L.A.

Will Arnett Reveals Which Celebrity Neighbor He and Bradley Cooper Used to Fan Over as Young Actors Living in L.A.

The actor, 55, reminisced about his former famous neighbor at the premiere of 'Is This Thing On?'Tim P. Whitby/Getty Bradley Cooper, Will Arnett at the premiere of 'Is This Thing On?'NEED TO KNOWBefore they worked together, Will Arnett and Bradley Cooper used to be neighborsAt the premiere of Is This Thing On?, Arnett shared that he and Cooper used to fawn over another famous actor who lived in their neighborhoodIs This Thing On? releases in sel…