Catherine Zeta-Jones is showing off her skills! The 51-year-old actress took to Instagram on Thursday to share an impressive video of herself hula hooping in a bikini.In the clip, Zeta-Jones, sporting a black-and-white striped swimsuit and coordinating visor, wows as she expertly keeps her hula hoop going for a quite a while.«I'm in a twist!» Zeta-Jones captioned the video, a nod to the song she set the video to, Chubby Checker's 1961 track, «Let's Twist Again.»A post shared by Catherine