The 28-year-old model and Hank, who wed in 2009, are already parents to their three and a half year old son Hank Baskett IV, reported E! online.
"She is happy and healthy," Kendra's representative said.
Kendra held a star-studded baby shower last month with a bunch of friends.
The former 'Girls Next Door' star was planning to have a sibling for her son since sometime.