Irina Shayk posted a sultry snap of herself, showing off her ample cleavage in a sexy white swimsuit while in the Bahamas, mentioning that she's on a "secret project" reports the Times of India.

According to the Mirror, the Instagram snap shows the 28-year-old Russian model's hair falling around her shoulders with her hands tugging on the plunging white swimsuit.

Earlier this week, Shayk, who is dating footie ace Cristiano Ronaldo, had posted pictures which showed her happily swimming with pigs in the sea.