Derek Hough and fiancée Hayley Erbert share sweet kiss while making coffee run ... trends now
In 2006, season two contestant Romeo Miller withdrew from Dancing With The Stars due to an injury and was replaced by his father Master P.
Pro dancer Derek Hough during season six in 2008 pulled his neck during rehearsal and missed a week of dancing.
Derek during season seven also blacked out during rehearsal after tripping and landing on the back of his head.
Season seven also saw the departure of Misty May-Treanor after she was injured during practice and ruptured her Achilles tendon.
Rehearsal injury: Misty May-Treanor is shown with host Tom Bergeron in October 2008 as she revealed rupturing her Achilles tendon during practice on Dancing With The Stars
Brooke Burke also severely bruised her foot during season seven during camera blocking when she landed hard doing a front flip with pro partner Derek.
Susan Lucci during season seven fractured two bones in her foot, but remained in the competition.
Nancy O'Dell withdrew from season eight due to a torn meniscus, along with Jewel who fractured both her tibias just before the season premiere.
Steve-O also suffered a pulled back muscle during dress rehearsal in season eight and was unable to perform the salsa live.
Former House Majority Leader Tom DeLay during season nine withdrew from the competition in week three after injuring his foot during rehearsals before the premiere.
Billy Dee Williams was forced to withdraw from season 18 due to a chronic back problem.
Early exit; Billy Dee Williams withdrew early from season 18 due to a chronic back problem
Season 21 saw two contestants drop-out midseason due to health issues with Kim Zolciak departing after suffering a mini-stroke and Tamar Braxton withdrawing after doctors discovered pulmonary embolisms in her lungs.
Pro dancer Mark Ballas during season 22 injured his back during rehearsal and was unable to perform for a week with his partner, UFC fighter Paige VanZant.
Pro dancer Sharna Burgess during season 23 injured her knee during rehearsal with James Hinchcliffe and was out for two weeks.
Pro dancer Maksim Chmerkovskiy during season 24 suffered a calf muscle injury during rehearsal
