Tina Fey hit up a Barnes & Noble in New York City yesterday (Fri. Apr 8) to sign copies of her new book “Bossypants.” The comedic actress recently announced that she is expecting her second child with her husband Jeff Richmond.

Nicki Minaj helped Casio launch their new TRYX digital camera billboard in Times Square, New York City Thursday (Apr 7).

Singer/reality star Aubrey O’Day was on hand for the 2011 Logo “NewNowNext” Awards Thursday at the Avalon in Hollywood.

Aubrey locked lips with comedian/actress Kim Coles as they both presented an award together during the show.

DJ Solange made a guest appearance at SVEDKA Vodka’s A Night Of A Billion Reality Stars Premiere Event at Lexington Social House in Hollywood Thursday.

TV personality Joan Rivers was also at the SVEDKA event Thursday night.

Tyrese signed copies of his new book “How to Get Out of Your Own Way” Thursday at Barnes & Noble in Tribeca, NYC.

“Dexter” actor Michael C. Hall attended Kihel’s Benefit for Waterkeeper Alliance at Kiehl’s Since 1851 Santa Monica Store Thursday in California. The 6th season of Dexter begins filming sometime next Month.

Actor/comedian Anthony Anderson dropped by BET’s “106 & Park” Wednesday (Apr 6) in New York City to promote his new movie “Scream 4,” which hits theaters next Friday (Apr 15).

And Fergie helped AVON celebrate their 125th anniversary at New York City’s Madison Square Garden Wednesday night (Apr 6).