The gorgeous singer showed off her killer figure in her satin red peplum dress, which clung to her every curve.
Reets teamed the sexy strapless creation with a face of very glam make-up, complete with lashings of mascara, a pale pink blusher and a sassy red lip.
The star wore her long blonde locks in glamorous waves, making her look a little like Jessica Rabbit.
Rita posed with a bottle of pop in her beautifully-manicured mitt for the photograpers.
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The singer perfected a super sultry pose for the event, which she showcased from all angles as she moved along the red carpet.
Have a look at all the snaps in the gallery above.