HollywoodLife on X: Oops! Blake Lively suffered a nip slip at Taylor Swift's Fourth of July weekend party! / X

Inside Taylor Swift's VERY star-studded 34th birthday bash! Star

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Inside Taylor Swift's VERY star-studded 34th birthday bash! Star

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Inside Taylor Swift's VERY star-studded 34th birthday bash! Star

Blake Lively shares behind-the-scenes snaps from Taylor Swift's

Inside Taylor Swift's VERY star-studded 34th birthday bash! Star

Blake Lively insists she didn't 'throw shade' at Taylor Swift

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Blake Lively Shows Baby Bump in Bikini at Taylor's 4th of July Bash