Luann de Lesseps, 55, beats the heat in Tulum in a skimpy bikini

Luann De Lesseps, 55, Plays In The Ocean Wearing A Bright Blue Bikini On Tulum Trip: See Pic

Luann de Lesseps displays her bikini body as she frolics on the beach with a gal pal in Tulum

Luann de Lesseps EXCLUSIVE: Real Housewives Of New York City star, 55, flashes her killer abs