Actress and model who had her breakthrough role in Transformers, for which she won a National Movie Award for Best Performance by a Female in 2007. She received additional fame for starring in the 2009 film Jennifer's Body and she played the lead character, April O'Neil, in the 2014 film Teenage Mutant Ninja Turtles.
She began training in dance and drama at the age of five and began modeling at age 13.
She has been called a modern sex symbol for appearing in FHM, Maxim, and Rolling Stone. In May 2020, she starred in the music video for the Machine Gun Kelly song "Bloody Valentine."
She married Brian Austin Green in June 2010, but the couple split in 2020 after nearly 10 years of marriage. Her first son Noah was born in September 2012, followed by her second son Bodhi in February 2014 and her third son Journey in August 2016. In 2022, she became engaged to Machine Gun Kelly.