For me Christina Aguilera springs to mind, think she is extraordinarily beautiful, in fact best looking woman ive ever seen in my life ever yet I think she is underrated. What do other readers think? Kimberly Wyatt from the pussycat dolls is another one.

Lana Del Rey.

Beyoncé.

Another vote for Ms Lana

Tori Kelly. And a lovely personality to go with it.

Have we not already done this one?
Or was that about which female was hottest?
Could be seen as a little sexist?

Keisha Buchanan or Kate Bush anyway. Both KB?

Christina Aguilera and Beyonce. Madonna at times.

Pixie Lott for me.

Also votes for Hayley Williams, Jenna McDougall and Cassadee Pope.

Britney Spears

Shakira, Shakira

Kylie

Lana Del Rey
Pixie Lott
The members of The Saturdays
Britney Spears
Cheryl Cole
Katy Perry

She is a natural beauty.

Katy Perry

Delta Goodrem and if we can go back in time then Debbie Harry and Agnetha.

Lana (obviously) and here's a left field suggestion, Joy Williams (from The Civil Wars. Not a convential beauty but sexy as... )

Sharon den Adel easily

Chilli from TLC

Its britney bitch

GO BRITNEY!

Marina Diamandis
Beyonce
Katy Perry
Shakira
Pixie Lott
Perrie Edwards (blonde from Little Mix)

Diana Vickers

Norah Jones

Linda Ronstadt (in her prime).

Victoria Justice
Jojo (Levesque)
Rachel Stevens

Alana, Danielle, and Este Haim.

Lana Del Rey.

Lykke Li.

Also, Mette Lindberg from the Asteroids Galaxy Tour.

Hayley Williams is pretty nice looking as well.