Too Hot To Handle's Nicole O'Brien puts on a busty display in a plunging shirt dress and harness bra

Nicole Scherzinger celebrates her 43rd birthday in Italy with boyfriend Thom Evans, 36

Nicole Scherzinger celebrates her 43rd birthday with boyfriend Thom Evans, 36, in Lake Como

Nicole Scherzinger wears cream maxi dress in Lake Como during trip around Europe with Thom Evans