Amelia Hamlin celebrates 20th birthday during night of partying with beau Scott Disick, 38, in Miami

Delilah Hamlin steals a kiss from beau Eyal Booker after enjoying a day at a cenote in Tulum, Mexico

Amelia Hamlin Tears Up Over Lavish Birthday Gift From Scott Disick

Amelia Hamlin Receives Lavish Diamond Gift From Scott Disick at Her 20th Birthday Party