In the context of ABCD 2 , a dance-centric film directed by Remo D'Souza, "Happy Birthday" provides an essential party number that complements the film's "young at heart" energy.
: Critics categorized the song under the "4G" (Go Goa Gone) genre—a style known for addictive beats, unconventional singing, and "over-the-top" voice programming that emphasizes fun over traditional vocal clarity. In the context of ABCD 2 , a
While the song was criticized by some for its lack of a strong central melody, its status as a "hip and happening" dance track has secured its place as a modern alternative to the traditional American "Happy Birthday to You" tune within the Indian diaspora. : The song's international appeal was highlighted in
: The song's international appeal was highlighted in 2024 when American actress Sofia Vergara used the track in a viral Instagram post to wish a friend a happy birthday, sparking a "frenzy" among Indian fans. Role in the Film and Reception
: Written by Mayur Puri, the lyrics are characterized by their "insanity and quirkiness". It includes humorous, tongue-in-cheek lines such as "dance holding your pyjama bottoms" and playful "aww" sound effects that contributed to its "annoyingly catchy" nature. Role in the Film and Reception