Taylor Swift and Blake Lively’s Friendship Timeline originally appeared on Parade. Taylor Swift and Blake Lively ’s friendship goes back years, and although they have been by each other’s sides for a decade, things reportedly changed after Swift was subpoenaed by Justin Baldoni ’s lawyers amid the It Ends With Us co-stars' legal battles.

Taylor Swift's upcoming album is already the source of immense speculation, but Swifties aren't letting just any theory fly as they shut down a pair of YouTubers

Taylor Swift and Blake Lively have been friends since 2015, though a source told PEOPLE in August 2025 that they "aren't speaking." Here's everything to know about their friendship throughout the years.