The onlookers were left hypnotised last night with the busty bombshell singer's epic cleavage.The singer, who rose to fame on The X Factor USA, was displaying her chest in a plunging silver gown.
Nicola and Stacy were also snapped looked very close as Stacy grabbed Nicola's head during an embrace.
Many of Stacy's CBB housemates were there to support her at the London Hippodrome show including Nicola McLean and Bianca Gascoigne.
They seemed to be having a hell of a time when they joined the star on stage.
The 53-year-old American-born singer Sinitta who has lived in the United Kingdom for most of her life was also at the event, rivalling Stacy with an asset showcase in usual way.
The 53-year-old went braless in a lace-up beige silk top.
Nicola looked stunning in a red dress, while Bianca impressed in a denim shirt dress teamed with lace-up knee-high boots.
The 53-year-old went braless in a lace-up beige silk top.
