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PDA alert!

Billie Lourdand boyfriendTaylor Lautner were recently spottedfrolicking and kissingin the ocean during a vacation to St. Barts.

The twohad earlier this week began a family tripwith Billie's dad Bryan Lourd, who was married to her late motherCarrie Fisher for three years in the '90s,and his husbandBruce Bozzi, whoposted a photo of the group and another man on a boat, wearing green face masks.

"The family that masks together lasts together!" he wrote.

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Billie and Taylor, who play love interests on Scream Queens, first sparked real-love romance rumors in early December after co-starKeke Palmer posted a photo of the two making out on Snapchat. They have never commented on their relationship.

Taylor has been there for Billieas she deals withthe deaths of her mother and grandmother,actressDebbie Reynolds. The two passed away within days of each other in December.

The two visited theAntelope Valley California Poppy Reserve togetherlate last month. In February, they celebrated Taylor's 25th birthday, wearing matching onesies.

"Happy birfday to my #numberonesie," Billiewrote.

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Billie Lourd and Taylor Lautner Show PDA on Caribbean Vacation ... - E! Online