In one shot the couple sealed their Independence Day fun with a kiss.
Gusman, who is vice president and head of marketing at skincare company Truly Organic, wrote alongside the image, “Magic,” and added a pair of emoji hearts.
Rose, who shot to fame in the United States as inmate Stella Carlin on Orange Is The New Black, also shared her own picture of the couple, captioning a cute moment of them watching a fireworks display, “With love from us.”
Rose and Gusman celebrated the Fourth of July at Taylor Swift’s Rhode Island beach house with a star-studded guest list.
The former DJ and model broke off her engagement to Roald Dahl’s granddaughter Phoebe Dahl in December 2015.