Hilary Duff has posted the first picture of her baby on twitter
The singer-and-actress shared an image of two-week old son Luca Cruz`s feet on the social networking site, saying he has her "favorite little feet".
Hilary - who has Luca with husband Mike Comrie - has also returned to her exercise regime, taking up pilates and leaving her young baby with her mother.
Hilary added on twitter: "Did a little Pilates today.Felt so good to stretch!Little man had a visit with grandma and did so well! I`m lucky to have my fam so close :)(sic)"
The 24-year-old beauty - who is best known for starring in TV series `Lizzie Maguire` as the titular character - has previously said on twitter she was in love with her baby boy and was surprised she had got through the birth.
She wrote: "He is the most wonderful, sweet, adorable baby.
"Wow, I can`t believe I have a baby! Thank you for all the messages and well wishes. I love you all so much."