Rob Lowe hopped around in an Easter Bunny costume for former 'Parks and Rec' costar Chris Pratt and Katherine Schwarzenegger's young children — but they were not amused by it.

Rob Lowe and Chris Pratt, former co-stars on the popular “Parks and Recreation ... Pratt helped Lowe shimmy his way into an ...

On Sunday, April 20, the mom of three, 35, uploaded a video to Instagram of The Floor host, 61, and The Electric State star, ...

Lisa O'Connor/Variety via Getty; Michael Kovac/Getty Rob Lowe may have been in the Easter spirit, but Chris Pratt ... some Easter fun, as Pratt helped Lowe put on a bunny costume.