Ouch! Former ‘Wonder Years’ star and current ‘Dancing with the Stars’ contestant Danica McKellar revealed in a tweet that she broke a rib during dancing dance practice for ‘DWTS.’  The 39-year-old star tweeted: “So…I broke a rib in yesterday’s #DWTS rehearsal. Trying my best to pull thru and could use your prayers!! #wanttokeepdancing” Uh Ok…. Source