Phil and Flavia were the first couple to leave the competition.
Here's how the judges voted on the person to save:
Craig: Phil - because he made fewer mistakes
Arlene: Phil - because he worked on her comments
Bruno Don - because of his performance
Len: Don - because of his performance
Phil & Flavia and Don and Lilia were in the bottom two and had to perform a dance off in front of the judges.
Phil and Flavia's exit song was First Cut Is The Deepest by Rod Stewart.
All professional dancers performed a Group Foxtrot to A Fine Romance by Ella Fitzgerald and Yes Sir That's My Baby by Frank Sinatra.
Bette Midler sang Wind Beneath My Wings whilst Ola Jordan and James Jordan danced a Rumba.
Series five winners Alesha Dixon and Matthew Cutler danced their Cha Cha to Crazy in Love by Beyonce.