By DAILY MAIL REPORTER
Sibling revelry: Derek and Julianne Hough teamed up to perform on Dancing With The Stars last night
Dancing with the Stars professional Derek Hough battled through pain to perform last night after dislocating his shoulder during rehearsals.
The 26-year-old dancer and choreographer is competing with Ricki Lake in the latest series of the hit US dancing competition.
He was rehearsing for the show when he dislocated his shoulder during one session but was later able to perform with his sister Julianne, who used to be a professional alongside him on the show.
A source said to People: 'He popped it back in, but he is still in a lot of pain.'
Julianne admitted that she was 'nervous' about making her return to the show. The siblings performed a jive to the classic, Shake Your Tail Feather.
Still in step: Julianne made a return to the show after two years away
The ballroom dancer left the programme two years ago to pursue a film career but celebrated her leading role in Footloose with a special performance on the show that made her famous.
Speaking ahead of her return, she told People magazine: 'I definitely got a little emotional.
Ouch! Derek still managed to put on a spectacular show despite his injury
'I don't think I've ever been this nervous to do the show. I'm a little rusty.'
She performed one dance with her Footloose co-star Kenny Wormald before taking to the floor with her brother.
Hough said they decided to go all out on their choreography.
'I love dancing with Julianne because we're very similar in our minds, what we want to do and what we think looks good,' Derek explained.
Movers and shakers: Julianne also performed with her Footloose co-star Kenny Wormald
'The producers said, "Don't kill yourselves. Just go out and do a nice little dance," and we're like, "No, no, we're not going to phone it in".'
'Julianne is an absolute superstar,' he added. 'This girl is incredible. I'm so proud of her.'
Hough and Lake made it through to the next round of the competition after topping the leader board.
Wilson Philips singer Chynna Philips was sent home.
Out: Wilson Philips singer Chynna Philips was sent home
Julianne Hough and Derek Hough perform together on Dancing with the Stars 2011
Chynna Phillips Eliminated from Dancing with the Stars