Samuel "Sam" Tsui (born May 2, 1989) is an American singer/songwriter and video producer. He rose to fame as an internet celebrity and is known for covering songs by popular artists like Adele, Britney Spears, Taylor Swift, Justin Timberlake and Bruno Mars, as well as some original songs, medleys, and mashups, along with his frequent collaborations with fellow YouTuber Kurt Hugo Schneider.