Johnny Knoxville & Jackson Nicoll: 'Bad Grandpa' Premiere!

Johnny Knoxville and his young co-star Jackson Nicoll share a sweet moment while attending the premiere of their upcoming film Jackass Presents: Bad Grandpa held at the TCL Chinese Theatre on Wednesday (October 23) in Hollywood, Calif.

The 42-year-old actor was joined at the event by John Stamos, Bob Saget, Joey Fatone, producer Spike Jonze, and director of the flick Jeff Tremaine.

PHOTOS: Check out the latest pics of Johnny Knoxville

Bad Grandpa, which hits theaters Friday (October 25), follows the story of 86-year-old Irving Zisman (Johnny) on a journey across America with the most unlikely companion: his 8 year-old grandson, Billy (Jackson).

10+ pictures inside of Johnny Knoxville and others at the premiere of Bad Grandpa…