Some of our favorite celebs will be flipping over some couch potatoes this week. Stars like LeBron James, Terrell Owens, and Victoria Justice will appear with Michelle Obama at the White House on Saturday to promote Nickelodeon's World Wide Day of Play , a time when the network suspends their TV broadcast and websites to encourage kids to go outside and be active.
The A-list event will feature fitness activities for kids and families, and appearances from:
- Pro athletes
- LeBron James
- Chris Paul
- Carmelo Athony
- Dwyane Wade
- Abby Wambach
- The cast of iCarly
- The cast of Victorious
- Keke Palmer from True Jackson, VP,
For more info on the event, check out the video above, and tell us  how you promote fitness on Saturday if you decide to join in.