In this month, "Just Dance" was released officially as single. Meanwhile, Gaga attended some nightclubs where she was photographed by Adrian Sidney.
April 2
At Jerome's Nightclub in NYC
- Main article: Rivington F+B
Gaga was seen with her friend Lady Starlight.
April 8
- "Just Dance" was released as a single.
April 10
Opera and Crimson Nightclub
- Main article: Adrian Sidney
- Lady Gaga wears a dress by Hervé Léger, shoes by Burberry Prorsum and a handbag by Saint Laurent.
April 11
Opera and Crimson Nightclub
- Main article: Adrian Sidney
- Lady Gaga wears sunglasses by Tom Ford, a catsuit by Haus of Gaga, shoes by Burberry Prorsum and a handbag by Saint Laurent.
April 19
Spring Break Pool Party at Wyndham Hotel
- Main article: Spring Break Pool Party
Part of the White Party Spring Break in Palm Spring from April 17 to 21, 2008.
- Lady Gaga wears sunglasses by Linda Farrow for Emilio Pucci, disco bra by Haus of Gaga and shoes by Burberry Prorsum.
April 25
- "Just Dance" Music video premiered on NewNowNext Music by Logo.