Hilary Duff 'Overwhelmed' by Well Wishes for Her Pregnancy
08/15/2011 AT 10:15 AM EDT
"Wow! I am just overwhelmed by all of the wonderful messages everyone is sending! Thank you so much! Big hugs! Xxo," the singer-actress, 23, Tweeted on Sunday evening.
The pregnancy announcement came on the couple's first anniversary. With so much to celebrate, it's no wonder they were all smiles during a shopping trip in Malibu on Saturday.
– Tim Nudd