Harry Connick Jr. and LMFAO are to perform on the premiere of "Dancing with the Stars: The Results Show" in Los Angeles, ABC announced.

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Season 13 of the dance competition show began Monday. The first results show of the season, during which one couple will be eliminated, is to air Tuesday.

The episode will follow a one-hour special called "Dancing with the Stars: Meet the Cast," featuring the "most exciting moments from Monday night's performances, along with commentary from the judges and never-before-seen footage from the teams' first weeks of training," ABC said in a news release.