Jennifer Ann "Jenn" McAllister, also known as Jennxpenn, is an American actress and YouTube personality. She has nearly 2 million subscribers and over 80 million views on her YouTube channel.

McAllister was born in Pennsylvania on July 9, 1996. She created her YouTube channel "Jennxpenn" at the age of 12 on January 15, 2009, but already had prior YouTube experience through a channel created beforehand with a friend. McAllister currently has three YouTube channels - jennxpenn, jennxpenngames, and jenn. In March 2013, McAllister signed a YouTube partnership deal with AwesomenessTV and shortly after, in July 2013, McAllister moved from her home in Pennsylvania to Los Angeles, California.

On April 30, 2014, Jenn reached one million subscribers on her "Jennxpenn" YouTube channel, followed by a 16-city North American tour in celebration of the accomplishment with fellow YouTuber Tyler Ward, taking place at the beginning of May and the entirety of June. Also in June 2014, McAllister signed a YouTube management deal with Fullscreen. McAllister was nominated for both "Choice Web Star: Comedy" and "Choice Web Collaboration" at the 2014 Teen Choice Awards.

Technology, YouTube Sensations, For Young Audiences, Social Media, Entertainment Industry, Social Networking, Entertainers, Celebrity, Entertainment