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12 March 2012, 11:10
The acts are also in Australia enjoying the 'Who You Are' singer's latest tour.
Jessie J has posted a picture of herself and Professor Green smiling and hanging out backstage at the Future Music Festival 2012 in Adelaide following her recent vocal illness.
The 'Price Tag' star had been forced to cancel some of her dates in Australia where Pro Green is supporting but returned to live duties last week.
Although the singer has admitted to struggling through her recovery she has been enjoying the recent gigs and looked ecstatic as posed backstage with the rapper.
She tweeted: "Look its @professorgreen SMILING :D #futuremusicfestival #ADELAIDE wooooooooo."
You can view a picture of Jessie J and Professor Green together in Adelaide below: (Picture: Twitter)
The 'Never Be A Right Time' star took to his Twitter account to say how much fun he was having on the outing and thanked his fellow artist and crew on board.
He wrote: "Amazing trip, Jessie + crew are amazing and Australia has given us such a warm welcome!"
Jessie recently confessed that she was sounding like "Marge Simpson" on her tour as she continues to recover from her vocal exhaustion.