AN EMOTIONAL Rihanna stole the limelight at a womens awards ceremony in New York when she dumped her regular androgynous style for a stunning floor-length mermaid gown. The singer, who won the Woman Of The Year trophy at the star-studded Glamour magazine bash, went for a more feminine look in an ivory satin Stephane Rolland gown. She admitted it was far too tight and impractical, but she obviously wanted something special to cap a momentous year. The 21-year-old was being honoured by the US edition of the womens magazine for her career, fashion sense, charity work and her bravery following her assault by ex-boyfriend Chris Brown. Accepting her award from veteran supermodel Iman on stage at Carnegie Hall, Rihanna admitted she had to enter the stage from backstage because she couldnt walk up the stairs in the outfit. Wiping a tear from her eye, Rihanna apologised: 'Sorry, Im PMS-ing. She said: 'I couldnt possibly make it up here in this dress. As usual, I decided to wear the tightest dress I could find. Introducing her, David Bowies model wife said: 'This year, we saw a different face of Rihanna. 'Shes an indelible image of worldly pain and now, more than ever, I am more than impressed with her honesty and courage. She has taken her own scars and used them to create a new story of strength and awareness. Rihanna received her award just days after she broke her silence over her assault on U.S. TV show Good Morning America. Daily Mail Obviously feeling nervous on stage, Rihanna said: 'I am shaking right now. I am so nervous. But I am overwhelmed and honoured over this honour. Rihanna paid tribute to fellow award winner Maya Angelou, who had given an inspirational speech earlier that evening, but admitted the Color Purple writer had made her own speech 'even more difficult. Speaking on the red carpet before her on-stage appearance, Rihanna said she felt relieved after discussing her abuse on TV last week. She later changed for the after-party into a stunning floor-length pink evening gown. Made of chiffon, it was far more loose-fitting around the legs. Also going for floor-length glamour was Catherine Zeta-Jones, who along with her husband Michael Douglas was a presenter at the lavish bash.