Ciara rocks sexy all-white ensemble as she joins Bruno Mars on tour as Cardi B's replacement (Photos)

Singer, Ciara has joined Bruno Mars on tour after rapper Cardi B pulled out in July ahead of the birth her child.

The 32-year-old mother of two took to her IG page to show off her stunning look that she rocked to perform as a special guest on the 24K Magic Tour. The Dose hitmaker showcased her eye-popping cleavage in a tight white top, with one long sleeve and one arm exposed.

Ciara will be joining Bruno for two shows in Toronto, two in Boston and two in Newark, before a final night in LA's Staples Center.

See more photos below.