Here is the list of top Ten Sexiest and  most Beautiful actresses of 2012  with pictures and description. These  all are most beautiful and multi-talented actresses Enjoy the most  beautiful pictures of sexy Bollywood Actresses of 2012
Katrina Kaif : The Barbie Doll
Nickname – Kat, Height 5′ 8½” (1.74 m) Born: July 16, 1984 in Hong Kong.
Katrina Kaif is one of eight siblings,  all girls, from a mother who is a Caucasian of British Nationality, and a  father who was formerly from Kashmir, India, but who has since acquired  British citizenship. Her mother is now re-settled in Chennai (formerly  known as Madras), the Capital of the state of Tamil Nadu in India.  For  more details Click Here 
Aishwarya Rai : The Queen
Born: Aishwarya Krishnaraj Rai Novr 1, 1973 in Mangalore, Karnataka
Born into a traditional south Indian  family, Aishwarya started modeling at a young age. This green-blue-eyed  beauty appeared in advertisements for many prestigious firms; the ones  that brought her into the limelight were the garden sari and the Pepsi  ad. Crowned Miss India 1994 runner-up, she was a hot favorite in the run  for miss world title, which she won, her beauty and charm made her  India’s darling.     For more Details  Click Here 
Kareena Kapoor : Size Zero
Kareena was born to Sindhi-speaking  Babita (nee Shivdasani) and Punjabi-speaking Randhir Kapoor in Bombay,  India. She has an elder sister, Karisma.
Her film debut was in the year 2000 with  ‘Refugee’ along with the debut of Amitabh Bachchan’s son, Abhishek. She  went on to appear in 31 other Hindi movies, and has thus far won four  awards for her performances in ‘Refugee’, ‘Chameli’, ‘Dev’, and  ‘Omkara’. For  More Details  Click Here 
Priyanka Chopra : Sexy and Strong
Nickname – Sunshine Mimi . Height 5′ 7¼” (1.71 m)  Born: July 18, 1982 in Jamshedpur,  India
Priyanka Chopra was born 18th July 1982  to the family of Capt. Dr. Ashok Chopra and Dr. Madhu Chopra. She had a  very varied upbringing. She started her education at La Martinière Girls  College in Lucknow as a resident student; a short stay at Maria Goretti  College in Bareilly prepared her for further studies in the USA… Having  completed tenth grade in Boston, Massachusetts, USA, she decided to  become a software Engineer or a Criminal Psychologist. For more Details Click Here  
Bipasha Basu : The Siren
Fate intervened when Bipasha recoiled  and passed out when dissecting a rat. Thus ended her dream of being a  medical professional. She was enrolled in the Science faculty until 12th  standard, but switched to Commerce thereafter. After acquiring a degree  in Commerce she planned to be a Chartered Accountant but ended up being  the Ford Supermodel of the World when she was just 17 years old.  For  More Details Click Here
Deepika Padukone
Deepika Padukone,born 5 January 1986 in  Mangalore, Karnataka, is an Indian model & Actress. She is the  daughter of former badminton Champion Prakash Padukone. Her mother  tongue is Tulu. Deepika has a younger sister named Anisha.
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Vidya Balan : The Old World Beauty
Vidya Balan is a Tamilian from Kerala.  She is from the Iyer community. She comes from a middle class family  from Palghat, on the border of Tamil Nadu and Kerala.
Vidya did her schooling from St Antony’s School and later on joined St Xavier’s College from where she graduated in sociology. For more details Click Here
Vidya did her schooling from St Antony’s School and later on joined St Xavier’s College from where she graduated in sociology. For more details Click Here
Ayesha Takia
Ayesha Takia  born on 10 April 1986) is  an Indian actress who mainly appears in Bollywood films. Her film career  started with Taarzan: The Wonder Car for which she won the Film-fare  Best Debut Award (2004). She was highly acclaimed for her performance as  a young widow in Dor (2006). She received commercial success with  Wanted (2009)
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Mallika Sherawat
Mallika Sherawat (Hindi:  born Reema  Lamba) is an Indian actress who appears mainly in Bollywood films. Known  for her bold onscreen attitude,Sherawat has been  frequently featured  in the media as a sex symbol.She is one of the few Bollywood stars  trying to crossover to Hollywood,[3][4] with films like Hisss and  Politics of Love. For more details Click Here  
Sonakshi Sinha
Sonakshi Sinha (born 2 June 1987)[1][2]  is an Indian Bollywood actress. She marked her debut in the Hindi film  industry with 2010 film Dabangg opposite Salman Khan, which went onto  becoming the highest grossing Bollywood film of the year. Sinha next  appeared in Rowdy Rathore (2012) alongside Akshay Kumar. The film was  well received by top critics and currently holds the title of the  highest grossing Bollywood film of 2012. Sinha is next expected to  appear in Shirish Kunder’s Joker, which is set for release on August 31,  2012. Sinha is currently filming for Arbaaz Khan’s Dabangg. For more  details Click Here 
Sonam Kapoor
Sonam Kapoor (born 9  June 1985) is an Indian film actress and fashion icon who appears in  Bollywood films. Born to Indian film actor, Anil Kapoor, Kapoor chose  acting as her career and followed the footsteps of her father.
Kapoor made her acting debut in 2007  with Sanjay Leela Bhansali’s Saawariya opposite Ranbir Kapoor and  subsequently featured in the offbeat drama Delhi-6 (2009). She earned  her first commercial success with the romantic comedy I Hate Luv Story’s  (2010) and followed with such films as Aisha (2010) and Thank You  (2011). She is known as a fashionista, she has been getting various  accolades for her unique sense of style rather than her films.  Via   wikipedia