The former Coronation Street actress, 27, tops the poll for FHM magazine, after ranking second last year.
Good Morning Britain presenter Reid is 21st on the list, while 80-year-old Great British Bake Off judge Berry is at number 73, only one place below Angelina Jolie.
Cheryl Fernandez-Versini drops 55 places this year to 68 in FHM’s ‘100 Sexiest Women In The World list’.
The top five also features model Kendall Jenner, actresses Jennifer Lawrence and Kate Upton, and TV presenter Caroline Flack.
Singer Ariana Grande, Australian actress Margot Robbie, The Only Way Is Essex star Lucy Mecklenburgh, Game Of Thrones actress Emilia Clarke, and Kelly Brook complete the top 10.
Pop stars fell out of favour: Rihanna lost 20 places to number 23, Beyonce was down 12 places to 19 and Katy Perry slipped from 13 to 25.
FHM editor Joe Barnes said: “This year’s 100 Sexiest poll was more keenly contested than ever — we had over a million votes, which was truly incredible.”
Meanwhile, Benedict Cumberbatch has fallen out of Heat and heatworld.com’s round-up of sexiest men.
The newly married Sherlock star was 24th last year, but has slipped to 94 in the poll, voted for by more than 195,000 people.
Fifty Shades of Grey actor Jamie Dornan tops the list, followed by US star Zac Efron and One Direction heartthrob Harry Styles.
Singer Gary Barlow (11), diver Tom Daley (14), and actors Henry Cavill (12) and Bradley Cooper (40) have fallen out of the top 10.