Amelia Hamlin declares she is 'gonna dream of this tonight' as she captures sizzling bikini selfie

Amelia Hamlin shops with sister Delilah in Beverly Hills as beau Scott Disick is in New York

Scott Disick, 37, dresses casually on solo outing without girlfriend Amelia Hamlin, 19, in New York

Amelia Hamlin the teen stepmom-in-training shares nickname for Scott Disick's daughter