© Getty Images

Madonna - Album: Confessions On A Dance Floor

Review: All Music said that Madonna's music glittered and that the album was the perfect soundtrack for 'pitch-black' nights.

© Getty Images

Beyoncé - Album: Beyoncé

Review: According to Pretty Much Amazing, 'Beyoncé' was the best pop album of 2013.

© Getty Images

Rihanna - Album: Rated R

Review: The Los Angeles Times, said Rihanna's album is a complex and inspiring portrait of the emotional journey of a young woman after a long period of suffering.

© Getty Images

Mariah Carey - Album: Memoirs Of An Imperfect Angel

Review: According to The Guardian, Mariah Carey's album is epic, extremely creative, and full of unobvious singles.

© Getty Images

Jennifer Lopez - Album: Dance Again...The Hits

Review: Slant Magazine, said that the quality of the material in Jennifer Lopez's album varied significantly.

© Getty Images

Katy Perry - Album: Prism

Review: The Telegraph said that Katy Perry seemed to have found her niche in this album.

© Getty Images

Britney Spears - Album: Oops!... I Did It Again

Review: According to AllMusic, this album has the same combination of sweet and sentimental ballads and fun dance-pop tracks as 'One More Time'.

© Getty Images

Lady Gaga - Album: The Fame Monster

Review: According to NME, this album was the work in which Lady Gaga confirmed her position as a true pop star.

© Getty Images

Shakira - Album: Sale el Sol

Review: Billboard.com reported that this album succeeds in overcoming the division between the old and the new Shakira with a spark which keeps you listening the whole way through.

© Getty Images

Demi Lovato - Album: Tell Me You Love Me

Review: The Los Angeles Times said that the album's songs are far from being hacks, in fact they are fun, catchy, sexy and daring.

© Getty Images

Taylor Swift - Album: Speak Now

Review: According to The Guardian Taylor Swift's album is a triumph.

© Getty Images

Adele - Album: 21

Review: BBC Music described the album as 'genuinely brilliant.'

© Getty Images

Pink - Album: The Truth About Love

Review: According to AllMusic, this is a spectacular pop album based on real emotions.

© Getty Images

Alicia Keys - Album: Songs In A Minor

Review: All Music said that the album drew on influences from Prince and 70s soul music, and that Keys' unforced singing style made her songs rich.

© Getty Images

Nelly Furtado - Album: Whoa, Nelly!

Review: Entertainment Weekly said this was one of the most consistent albums from that year.

© Getty Images

Lily Allen - Album: Alright, Still

Review: According to The Guardian, Lily Allen created her own style of 'acidic' pop in this album.

© Getty Images

Kesha - Album: Cannibal

Review: Billboard.com reviewed this album as great fun.

© Getty Images

Celine Dion - Album: Loved Me Back to Life

Review: According to The New York Times, Celine Dion sings more rhythmically, if not more clearly, than she does in her other albums.

© Getty Images

Christina Aguilera - Album: Back To Basics

Review: AllMusic, reviewed this album as compelling, emotional and unique.

© Getty Images

Kylie Minogue - Album: The Best of Kylie Minogue

Review: According to AllMusic, this collection proves that Kylie is undeniably the best pop singer of her generation.

© Getty Images

Ciara - Album: Ciara

Review: According to Spin, Ciara's fifth album finally trumped a period of uncertainty in her music career.

© Getty Images

Janet Jackson - Album: Unbreakable

Review: The album was described as mature and free from commercial ambition by Billboard.com.

© Getty Images

Lana Del Rey - Album: Honeymoon

Review: The Guardian describes this as Lana Del Rey's most lovingly created and cohesive album.

© Getty Images

Avril Lavigne - Album: Let Go

Review: According to All Music, Avril Lavigne's album revealed her song writing and singing talent, despite her youth (she was 17 when the album was released).

© Getty Images

Björk - Album: Vespertine

Review: All Music said the album celebrated fragility and silence, using rhythms which mimicked heartbeats and breathing to create a gently hypnotic piece of work.

© Getty Images

Sia - Album: Colour The Small One

Review: The Guardian said that this could be the perfect soundtrack for more melancholy moments.

© Getty Images

Kelly Clarkson - Album: Meaning of Life

Review: AllMusic, describes this as one of her most impressive albums: it's not just a collection of good music, but a purposeful declaration.

© Getty Images

Jessie J - Album: Who You Are

Review: According to The Telegraph (United Kingdom), this album can easily change from R&B melodies to Rap tunes.

© Getty Images

M.I.A. - Album: Arular

Review: According to The Guardian, this is an album with dance music worth listening too.

© Getty Images