'Dancing with the Stars' finale tonight on ABC7

LOS ANGELES (KGO) -- Tuesday night is the season finale of Dancing With the Stars.

It's now down to three couples vying for the Mirror Ball trophy, in one of the closest competitions in the show's history.

Will it be the race car driver, the Olympian or the athlete known as Megatron? Watch the video above for Lauren Lyster's full preview of Tuesday's show.

Dancing With the Stars starts at 9 p.m. on ABC7.

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