Kourtney Kardashian is Expecting

Kourtney Kardashian is reportedly pregnant, and revealed the father of her unborn baby on the "Today Show" on Thursday.The 30-year-old announced that Scott Disick, her on-again/off-again boyfriend, is the father. On Ryan Seacrest's radio show, KIIS-FM, Kardashian told Seacrest it was an unplanned pregnancy. Apparently, she forgot to take the pill.

"We were in the Everglades, and I kept feeling nauseous and such," Kardashian told E!, "I just kept thinking something wasn't right."

Kardashian is five months pregnant, and hopes to reconcile with the father so they can become an item once again.

The new mother-to-be will be starring in a "Keeping up with the Kardashians" spinoff along with her sister Klhoe, called "Kourtney and Khloe Take Miami," which will air this Sunday on E!.

The baby is due In December.