The 20-year-old reality star has kept a low profile since news broke of her pregnancy.
Kylie Jenner was at her mom's annual Christmas Eve bash -- and Khloe Kardashian posted the pics to prove it.
Khloe shared photobooth snaps from Kris Jenner's party to her Snapchat on Tuesday, including two black-and-white photos with Kylie.
The 20-year-old reality star has kept public appearances to a minimum since news broke this fall that she is expecting her first child with boyfriend Travis Scott, but she was all smiles in several photos from the party. While Khloe posed in a shimmering number that showed off her own baby bump, Kylie went for a more casual look, covering up in a leather jacket and accessorizing with a simple pearl necklace.
Khloe's photobooth pics seem to be the only photographic evidence of Kylie at the party, though Khloe assured fans on Christmas Day that her little sister was indeed in attendance.
"People think you weren't there last night," Khloe said on Snapchat after she and Kylie wished fans a merry Christmas.
"I was!" Kylie replied.
"She's a secret little bunny," Khloe joked before blowing a kiss.
See more on Kylie in the video below.
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