Hilary Duff, boyfriend expecting 'little princess'

Hilary Duff is expecting a baby girl with boyfriend Matthew Koma.

The 'Younger' star took to social media to make the happy announcement.

"Guess what guys! @matthewkoma and I made a little princess of our own and we couldn't be more excited!!!!!," she wrote.

The announcement comes just a few days after Hilary's sister Haylie Duff gave birth to a baby girl named LuLu.

Meanwhile, Duff is also mom to six-year-old son Luca, from her previous marriage to Mike Comrie.