It’s been one year since Nicky Hilton wed James Rothschild (in Valentino nonetheless) at Kensington Palace in London and the blonde beauty definitely seems to be enjoying the married life.

On Sunday, Hilton and Rothschild’s 1-year anniversary, the 32-year-old heiress, who just gave birth to a baby girl, Lily-Grace Victoria Rothschild on Friday, took to Instagram to celebrate her milestone and share a sweet message for her hubby. “Thankful for the best anniversary gift ever our beautiful daughter Lily-Grace,” Hilton wrote along with a gorgeous shot of the happy couple kissing at their wedding.

We’ve yet to see just how cute little Lily-Grace is, but there’s no denying that the newborn is being welcomed with arms wide open. Proud auntie Paris Hilton sent notes of congratulations on her own Instagram page: “I am so happy for my sister @NickyHilton on her new baby girl Lily-Grace! She is so beautiful & precious! I’m in love! So excited to be an aunt!”

Click Here: liz claiborne perfume

RELATED: Nicky Hilton Welcomes Her First Child—Find Out the Sweet Name

“Happy 1 Year Anniversary to the most beautiful bride & mother @NickyHilton. I am so happy that you have found such an incredible loving & loyal man to spend the rest of your life with. Congratulations on your new baby & starting your family together. Love you 3 so much!” Paris continued.

Congratulations to the happy family!