The 'RIP' singer was snapped leaving the celebrity hotspot on Wednesday evening (10 June), dressed down in ripped jeans, slogan T-shirt and leather jacket.
Boyfriend Ricky, however, stole all the attention thanks to that super bright green hairdo!
Speculation is continuing to mount that X Factor boss Simon Cowell is desperate to woo Rita from her coaching role on The Voice UK to a judging spot on X Factor.
It was rumoured he's so adamant to land her that he offered a massive £1.5 million payday.
In today's Daily Star, it's claimed part of the reason he wants Rita on the panel is to fuel "catfights" with fellow glamorous judge Cheryl Fernandez-Versini.
A source said: "Simon is desperate to poach Rita. It's cash for catfights."
As always, bosses at X Factor are refusing to confirm or deny the judging lineup at this early stage, which means we're not really sure who has been axed and who will be signed.
It seems fairly certain that Louis Walsh and Mel B will not be returning and that Simon and Cheryl will, with other rumoured judges including Rita's close friend, BBC Radio 1 Breakfast Show host Nick Grimshaw.
On the presenting side of things, it has been confirmed that Dermot O'Leary has quit, and Caroline Flack and Olly Murs will now present, making them the first-ever X Factor main show presenting double act.
Over on Xtra Factor, last year's host Sarah-Jane Crawford has confirmed she won't be returning but a replacement has not been decided yet.
X Factor's most shocking moments:
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