Caribbean hottie Rihanna has been named as the Sexiest Woman Alive by Esquire magazine, and appears nude on the cover of its October issue.

The title quite rightfully belongs to this sexy singer.

Rihanna outdoes herself with each public appearance and performance with outrageous costumes, bold colours and eccentric accessories.

With this cover, Rihanna gives the idiom 'being comfortable in her skin' a whole new meaning. Her fans will know this is just one of her many eye-catching appearances.

Here, we bring some of the hottest avatars of the singer. Click on!

Dressed in a beaded outfit Rihanna performed for her 'Loud' tour at The O2 Arena on October 5, in London, United Kingdom.

Known to often change her hair colour, redhead Rihanna performed at the 2010 American Music Awards in Los Angeles last November.

The 23-year-old singer is celebrated by the men's magazine for her glistening bod, fearless sense of style, which the magazine says transcends even Madonna in her pursuit of "carnal pop".

Seen here performing live on the V stage during day 2 of the V Festival in Hylands Park on August 21 in Chelmsford, United Kingdom.

The singer has a penchant for risque outfits, even more so while performing onstage.

Like her predecessor Madonna and contemporary Lady Gaga, Rihanna has made bold fashion statements and doesn't care for rules.

Rihanna performed on NBC's Today show in New York in May, dressed in a striped top, hotpant and fishnets.

The singer created quite a buzz when she featured on Rolling Stone's March cover.

She donned a barely there pair of metallic ripped hot pants that appear to have been sprayed on to her, reports the Daily Mail.

She paired the risque shorts with a loose fitting white vest and colourful jewellery for the shoot and wore her hair in wild red curl

Rihanna struck a seductive pose for a GQ cover in a black corset and fishnets.

Rihanna performed during the 2011 Billboard Music Awards at the MGM Grand Garden Arena in May in Las Vegas, Nevada.

Rihanna attended the Met Gala in a Stella McCartney lacy dress and made heads turn.

Rihanna is in her element as she performs at one of her shows dressed in a frilly skirt and her favourite peice of clothing -- fishnets.

Keeping up the festive mood, Rihanna performed at the Rock in Rio Music Festival in Rio de Janeiro last month.

Dressed in all black, Rihanna gestures as she performs at the Nilson Nelson Arena in Brasilia as part of the "Loud" tour in September.