Sweeney was born in Walton, Liverpool, England, on April 17, 1971. She trained at the Elliott-Clarke Drama School in Liverpool
before winning a place at London's famous Italia Conti stage school in London when she was 18.
Sweeney's first major role was as Lindsey Corkhill in Brookside. She played the role for 12 years, and it made her a household name in the UK.
After leaving Brookside, Sweeney has appeared in a number of other television shows, including Loose Women, 60 Minute Makeover, and Coronation Street.
Sweeney is also a successful singer. She has released three albums, all of which have charted in the UK.
She has also starred in a number of musicals, including Chicago, Guys and Dolls, and Legally Blonde.
Sweeney is a versatile actress and singer who has enjoyed a successful career in both television and theater.
She is also a popular figure in the UK, and is known for her outspoken personality.
Sweeney has been married twice. Her first marriage was to actor and businessman Mark Jordan in 1998. The couple had a son, Jaxon, in 2016, but they divorced in 2017.