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Kylie Jenner, Tyga

James Devaney/GC Images

Kylie Jenner has given Tyga quite the 27th birthday to remember.

The 19-year-old Keeping Up With the Kardashians star posted on her Instagram page two professionally shot photos of the two embracing while she is topless. She also shared a series of sultry videos on Snapchat showing her lip-syncing and singing the ultra-NSFW R&B song "Woosah" by Jeremih, Juicy J & Twista with a friend.

"Happy birthday baby," she wrote on Instagram.

Two of her Snapchat posts also contained a caption that read, "Happy birthday Tyga" with caricatures of her and the rapper, with her sporting her platinum blonde hair and a slinky white plunging jumpsuit.

Kylie Jenner, Tygas Birthday, Snapchat

Snapchat / Kylie Jenner

Kylie Jenner, Tyga's Birthday, Snapchat

Snapchat / Kylie Jenner

A video posted by Kylie (@kyliejenner) on

Tyga, Snapchat

Snapchat / Tyga

Kylie Jenner, Tyga, Snapchat

Snapchat / Tyga

Tyga is not seen in Kylie's Snapchat posts. However, on Saturday, he posted on his Snapchat a selfie showing him wearing a New York Mets cap and using the same "Happy Birthday Tyga" message and graphics, as well as a sweet photo of him wearing the same outfit while posing with his girlfriend Friday at a gathering with friends.

The two celebrated his birthday early. Kylie and the rapper's 4-year-old son King Cairo threw him a surprise birthday celebration Thursday.

Watch the season finale of Keeping Up With the Kardashians Sunday, Nov. 20 at 9 p.m., only on E!