Tammy, 25, kept it sleek and sexy with her tight white mini skirt and long-sleeved ribbed white sweater.
The Instagram star rocked clear plastic high heels and parted her bleached blond tresses down the middle.
Social media influencer Tana Mongeau's outrageous ensemble turned heads at the bash.
The 21-year-old modeled a bright orange fanny pack, white socks, orange Nikes, a tight pink floral mini dress and small orange-tinted sunglasses.
Kylie Jenner's BFF Stassie Karanikolaou, fresh off from her tropical vacation, looked freckled and tanned on the pink carpet.
The 22-year-old model wore tight gray distressed jeans, a block bodysuit and black stilettos.
Heidi Pratt brought the glamour to the all-pink party. She sported a rose pink satin blouse, white denim pencil skirt, nude studded sandals and matching nude tote.
The Hills: New Beginnings star, 32, arrived at the bash solo, without son Gunner or husband Spencer Pratt.
Which look of the night was your favorite? Sound off in the comments below!