Brooke Penelope Davis is a fictional character on the CW television series One Tree Hill, played by Sophia Bush. Brooke is the sweet and flirty girl next door, who loses her will to love after being betrayed by her best friend and her boyfriend twice.Brooke Davis is shown to be a beautiful, rich, popular, outgoing, and promiscuous head cheerleader at Tree Hill High. She first appears in 1x02, as Peyton Sawyer's (Hilarie Burton) best friend since they were nine. Initially, her crazy antics are responsible for a lot of comic relief in the show. She takes a liking to Lucas Scott, and starts hitting on him in her usual way. But Lucas is interested in her best friend Peyton whom he has liked for years