A spokesperson for Sussex Police said that Brooke, 17, was last seen at 5pm on July 28 in Hampden Park.
The spokesperson added: “We are seeking to find Brooke, who is missing from Surrey.
"Brooke is 5’8” with pink hair. She has a tongue piercing and was last seen wearing all-black clothing.
"She may be in the Surrey, Crawley, Bexhill, Brighton, Eastbourne, Horsham, Haywards Heath, Lewes and Burgess Hill areas.
"If you see Brooke, we ask you to make a report to police by calling 101 quoting reference 412 of 29/07.”
1. Brooke, 17
A spokesperson for Sussex Police said that Brooke, 17, was last seen at 5pm on July 28 in Hampden Park, Eastbourne. Photo: Sussex Police