"Boom Clap" is a pop song by Charli XCX, released in 2014. It gained popularity as part of the soundtrack for the movie The Fault in Our Stars. The song features catchy beats and lyrics that express the excitement of love and connection. The track showcases a blend of electronic and pop elements, making it appealing to a wide audience. Its memorable chorus and upbeat rhythm contributed to its commercial success, reaching high positions on various music charts worldwide. The song has since become a staple in Charli XCX's discography.