Taylor Swift stepped out in Los Angeles on Wednesday wearing her one-year anniversary gift from boyfriend Calvin Harris.

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During a visit to The Church Key, the 26-year-old singer was seen wearing a low-cut black top with her new, golden locket, which features the date "3-6-2015," around her neck.

"He bought the locket all on his own," a source told E! News of Harris' gift to Swift. "Calvin is not a flashy guy when it comes to gifts and he knows Taylor appreciates the small meaningful things, so he thought this would be the perfect gift."

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The source added the locket contains "something special," but didn't reveal what that something was.

A photo posted by Taylor Swift (@taylorswift) on Mar 6, 2016 at 3:03pm PST

Along with the photo above, Swift told fans, "One year down!"

As for how Swift and Harris spent their anniversary, a Hollywood Life source cliamed they enjoyed a romantic diner at Wolfgang Puck’s CUT restaurant inside the Beverly Wilshire Hotel.

“Taylor and Calvin looked crazy in love with each other the entire time they were eating dinner," an eyewitness revealed. "They were laughing and smiling. And they were very sweet to a few young girls that approached them in the hotel. They were holding hands and seemed pretty affectionate with each other."

For more of Taylor Swift and Calvin Harris' romance, check out the video below.