Tyrone William Griffin Jr. (born April 13, 1982), known professionally as Ty Dolla Sign (stylized as Ty Dolla $ign or Ty$), is an American-French rapper and musician. He first gained major recognition in 2010 for his feature on YG's "Toot It and Boot It", which he had written and produced for Def Jam Recordings. In the summer of 2013, he signed a record deal with Wiz Khalifa's Taylor Gang Records. In November 2015, he released his debut studio album, Free TC, which peaked at number 14 on the US Billboard 200.
He was featured on Fifth Harmony's hit single Work From Home in 2016.
Both have a song together called In Your Phone.