Hilary Duff was "in shock" when she was greeted by thousands of fans in Brazil yesterday (04.09.11).

The pregnant actress felt emotional at the reaction she received at the Rio de Janeiro International Book Fair 2011 - where she was promoting her New York Times best seller adult novel 'Elixir' - and was nearly reduced to tears by supporters eager to get a glimpse of her.

She posted a picture of the sea of fans on twitter and wrote: "Oh my goodness! Wow I am in shock! Thank you so much for all of this love! Rio fans are amazing, makes me want to cry!!!"

The 23-year-old beauty added: "Heading to the book fair biennal. Press for a few hours then going to sign books and meet some fans! It's all very exciting folks xxo H (sic)"

Hilary and her ice-hockey player husband MIKE COMRIE revealed on their one-year anniversary last month they were expecting a baby.

In a posting on her official website, she wrote: "Hello everyone! This weekend, Mike and I are celebrating our one year anniversary ... I can't believe it has already been a year, time really flies when you're having fun! We also want to share the exciting news that BABY MAKES THREE!!! We are extremely happy and ready to start this new chapter of our lives. Thanks to everyone for the continued love and support throughout the years! (sic)"