Timeline of Their Romance, 1 Yr Later

June 29, 2015: Swift performs in Dublin and sweetly gestures to Harris while singing her tune "I Know Places" as he watches her from near the sound desk.

July 2, 2015—officially "Instagram official": Harris posts his first Instagram photo of Swift.

July 3, 2015: Swift and Harris spend the Fourth of July holiday together. The singer gets a piggyback ride from her beau.

July 17, 2015: Harris says in a radio interview things are "going absolutely fantastic" with him and Swift.

Aug. 11, 2015: Swift and Harris have dinner at the Italian restaurant Giorgio Baldi in Los Angeles. They "were laughing and being so cute together," an eyewitness tells E! News, adding that Harris was a true gentleman—he pulled out his girlfriend's chair for her and he paid the dinner bill.

Aug. 24, 2015—three magic words: Swift says "I love you" to Harris as he watches her perform a concert in Los Angeles.

Oct. 27, 2015: Harris attends Swift's concert in Miami.

Nov. 4, 2015: Swift's BFF Martha Hunt tells E! News Harris is "fabulous," adding, "I've been on a lot of group dates, that's for sure!"

Nov. 16, 2015: Harris snaps a photo of Swift's cat Olivia chewing on her MTV Video Music Award and the singer posts it on her Instagram page.

Nov. 17, 2015: Swift and Harris have dinner in Hollywood. Another celeb couple, Rosie Huntington-Whiteley and Jason Statham are seen exiting the restaurant soon after they do.

Dec. 13, 2015: Swift cozies up to Harris at her Christmas-themed 26th birthday party.

Dec. 23, 2015: The day before Christmas Eve, Swift shares a cute pic showing her and Harris building a snowman.

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