He died last month at the age of 27 and Cindy Crawford and husband Rande Gerber have paid tribute to their son.

The Hollywood star spoke about the tragic loss at an event at the Natural History Museum in London on Friday night

The Texas Hold 'Em singer returned after a 10-year absence accompanied by her eldest daughter, Blue Ivy.

The Please Please Please singer wore custom Dior with an 'Old Hollywood' twist and a nod to an acting icon.