Madison Beer Age, Bio, Boyfriend, Profile | Contact details (Phone number, Postal Address, Instagram, Twitter)- MADISON BEER is a 23 years Young Singer who was born on 5th March 1999, in Jericho, New York, United States. This young girl has got famous when Justin Bieber posted a link of her song video on his Twitter feed. Beer delivered the theme song for the fashion doll franchise, Monster High, titled “We Are Monster High.” She has a younger brother named Ryder. This beautiful girl has got into a relationship with Jack Gilinsky in 2015.