The Victoria's Secret model tied the knot with the Kings Of Leon rocker at San Ysidro Ranch in Montecito, California in May and says she is loving every minute of married life.
She said: "Married life is the best. I'm so proud to be a wife."
The 25-year-old beauty - who walked down the aisle in a custom-made Vera Wang gown - also admitted her wedding was perfect and says she wouldn't have changed anything about the sunset ceremony.
She added to Usmagazine.com: "It was really an amazing day. It was more beautiful than I could've imagined."
This is not the first time Lily has spoken of her love for Caleb.
Speaking after her wedding ceremony, Lily gushed about her new husband: "Caleb is the man of my dreams. And you can quote me on that."
While Caleb and Lily had a small wedding, Nathan and Jared recently promised to throw their brother a big party afterwards.
Jared said: "It's going to be a very small wedding and then a big party. I think there are only like maybe 25 people or so going to the wedding, but a lot of people will be at the party."
Nathan added: "I'm the best man and they're having lemon custard for their wedding cake."