The former Disney stars dined at the Asian-inspired Komodo Friday night and had a blast.
"They sat in the restaurant¹s outdoor birds nest lounge," a source tells PEOPLE of the popular seating area suspended above Brickell Ave. in Miami.
"They were laughing and drinking cocktails and Snapchatting."
After dinner Gomez, 23, and Hudgens, 27, hit STORY nightclub on South Beach where they partied with friends, listened to music and danced.
"The girls drank Johnnie Walker Black Label and danced in the DJ booth," a source tells PEOPLE.
"They left the club around 1:30 a.m."
Earlier on Friday, Hudgens and her sister Stella, 20, got an early start to Siblings Day (April 10) when they were spotted frolicking in the pool at the W South Beach.