After tying the knot, Cameron Diaz and Benji Madden appear to be settling into the newlywed life just fine. They have even already double-dated with the in-laws.

Cameron Diaz & Benji Madden Spotted Grocery Shopping As Newlyweds, See The Adorable Photo HERE

On Tuesday, LATINA reported the the couple went out with Nicole Richie and Madden's twin brother for a romantic Valentines Date.

The four dined at Girogia Baldi in Santa Monica, California for their romantc double-date-out.

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Madden, his brother and Diaz were all spotted wearing all-black outfits. Richie, meanwhile, donned an orange coat and sported her hot pink hair.

Right before this double date, Diaz and Madden were seen grocery shopping as newlyweds.

Diaz wore boyfriend jeans with holes in the knees and upper thighs, taupe ankle boots and a beige sweater. She accessorized with a black crossbody bag and wore her blonde hair naturally-styled.

Her husband wore leather pants with a blue, plaid button-up shirt and sneakers. He accessorized with a black baseball hat.

Both celebrities were spotted wearing their wedding bands.

Madden pushed the shopping car as Diaz lead them through the parking lot.

The two tied the knot lasty month at Diaz's Beverly Hills home in front of family and famous friends. Nichole Richie, Gwyneth Paltrow and Drew Barrymore who were in attendance. Judd Apatow, Leslie Mann, Toni Collette and Will Kopelman were also there.

"Benji gave a couple of toasts. Cameron also joined him for one of them," a source told the online publication.

 US Weekly reported that guests were given drinks upon arrival to the rehearsal dinner which started at 7:30pm. An insider revealed that the group stayed at the location for three hours.