Taking care of some promotional duties, Whitney Port was spotted signing books in Toronto, Canada yesterday (January 31).

The “Hills” hottie showed up at the Eaton Center’s Indigo Bookstore where she greeted fans and signed copies of her new release “True Whit: Designing a Life of Style, Beauty, and Fun.”

Credit: Celebrity Gossip

She’s not content to let Lauren Conrad and Lo Bosworth’s book enterprises alone - Whitney Port also has a new book on the bookstore shelves- “True Whit: Designing a Life of Style, Beauty, and Fun.”

And yesterday (January 30), Ms. Port was spotted at the Pearson International Airport in Toronto, Canada gearing up for a promotional tour.

Credit: Celebrity Gossip

Singer Avril Lavigne and beau Brody Jenner were snapped outside Pearson International Airport in Toronto, Canada, Saturday. The couple is spending their first Christmas together with Avril's family, Radar Online has learned.

Avril and Brody, who have been dating for eight months, were greeted by Avril's brother Matthew and his wife.

Prior to her family's arrival, Avril sat on the ground outside the terminal and inspected a large red bruise on her knee!

Credit: Radar Online

Showing up for a scheduled promotional appearance, Kim Kardashian was spotted at the Sherway Gardens shopping mall in Toronto, Canada on Tuesday afternoon (October 19).

Drawing an enormous crowd, the “Keeping Up With the Kardashians” star introduced her new Fusion beauty products while also engaging in another early birthday celebration by blowing out a candle atop a giant cake.

Credit: Celebrity Gossip

Back out for another full day of promotional work, the always-ambitious Kim Kardashian was spotted leaving the City TV building in Toronto on Tuesday (October 19).

Giving a wave to awaiting paparazzi, the E! reality star is north of the border to promote her beauty products.

Credit: Celebrity Gossip

Kristin Cavallari hosts the Dolce After Party at the Dolce Social Ballroom NightClub on June 20, 2010 in Toronto, Canada, after the 21st Annual MuchMusic Video Awards.

Credit: Bricks and Stones Gossip

Whitney Port and Ben Nemtin attend the INK Official after party at This Is London for the 21st Annual MuchMusic Video Awards on June 20, 2010 in Toronto, Canada.

Credit: Wire Image

Still spending time north of the border, Kristin Cavallari was spotted out and about in Toronto, Canada on Monday (June 21).

Fresh off of presenter duties at the MuchMusic Video Awards the previous evening, the "Hills" hottie was joined by a guy pal as she grabbed up a coffee and signed autographs for fans outside of her hotel.

Credit: Celebrity Gossip

Strutting her stuff on the red carpet, Whitney Port joined in on the fun being had at the MuchMusic Video Awards in Toronto, Canada on Sunday (June 20).

Held at MuchMusic World Headquarters, the MTV reality star was all smiles as she greeted fans and posed for pictures at the annual event.

Credit: Celebrity Gossip

Kristin Cavallari was looking lovely at the MuchMusic Video Awards in Toronto, Canada on Sunday (June 20).

Held at MuchMusic World Headquarters, the "Hills" hottie was all smiles as she greeted fans and posed for pictures at the annual event.

Credit: Celebrity Gossip

On Sunday, June 20 at 9pm ET, tune-in to Fuse for the 2010 MuchMusic Video Awards live from Toronto. Whitney Port and Kristin Cavallari will both be presenting!