KEY POINTS:
Prince Harry's girlfriend Chelsy Davy is the northern summer's sexiest celebrity.
A survey found that the 21-year-old blonde was way ahead of "royal" rival Kate Middleton.
Chelsy topped a poll of people asked to rate this summer's most delicious-looking stars. She was followed by Hollywood beauties Jessica Alba, Scarlett Johansson and Cameron Diaz.
Sienna Miller was fourth ahead of chart star Rihanna and Girls Aloud's Cheryl Cole. Kate Middleton, Prince William's girlfriend, was seventh. Paris Hilton and Big Brother's Chanelle completed the top 10.
