Taylor Swift really knows how to throw a party!
The 26-year-old threw her annual Fourth of July party at her house in Rhode Island over the holiday weekend and the guest list was packed with A-list celebs.
An insider tells E! News, "Tom has met all of Taylor's best friends at this point in their relationship. They all really like Tom and like how he treats Taylor. Things are moving fast between them but none of her friends are worried because they never have seen her this happy."
Watch the E! News video above to get more details on Swift's relationship with Hiddleston and to see photos from the party!