Makeup artist Christian Perez turns into singer Sabrina Carpenter. (TikTok/@indigotohell) Social media star and makeup artist Christian Perez, aka Indigo, has left fans gagged, gooped and gasping with his transformation into singer Sabrina Carpenter. The US-based YouTuber, who is known for using makeup to create dramatic transformations into characters, including SpongeBob SquarePants and Shrek, was…