Kendall Jenner
Kendall Jenner's rumored boyfriend, Blake Griffin, is spotted shopping at her favorite jewelry shop. Pictured: Jenner attends Harper's BAZAAR Celebration of 'ICONS By Carine Roitfeld' at The Plaza Hotel presented by Infor, Laura Mercier, Stella Artois, FUJIFILM and SWAROVSKI on Sept. 8, 2017 in New York City. Getty Images/Dimitrios Kambouris

Blake Griffin visited Kendall Jenner's favorite jewelry shop. Is he shopping for a Christmas present for her?

The "Keeping Up With the Kardashians" star and the NBA superstar have been rumored to be an item. The pair has not confirmed their relationship yet, but just recently Griffin was spotted at Jenner's favorite jewelry shop in Beverly Hills, TMZ reported.

On Friday, Griffin dropped by at XIV Karats in Los Angeles. It remains unknown what the Clippers' player was checking out. In one photo, Griffin seems to be holding a box and showing it to the man next to him. He was later photographed leaving the store with a paper bag.

Jenner and Griffin have been spotted together more frequently lately. On Nov. 29, the pair attended the premiere of Griffin's "The 5th Quarter" in Los Angeles. Jenner and Griffin graced the red carpet separately. They were not photographed together, but according to reports, they were seen cuddling at the afterparty.

Also, Jenner has been showing up at Griffin's basketball games. The reality star was even photographed cheering on him. He was also present on her birthday when she turned 22 on Nov. 3.

"They're legit. They're a full-on couple," one insider told Us Weekly. "Kendall has been going to a lot of his games and they have been enjoying time at home when Blake is in town. They're good."

In November, Jenner was spotted watching the Clippers' game against New York Knicks. Griffin's team lost to Knicks, 85 to 105.

After the game, the rumored couple partied all night. They were seen leaving Up & Down nightclub in Manhattan around 3 a.m. the following day.

Based on their star's compatibility, Griffin and Jenner's romance has a "70/30 chance of lasting forever." Their sun sign compatibility shows that Jenner is a Scorpio and Griffin is a Pisces.

The pair has a powerful spiritual bond and their sexual chemistry fuels their connection. Both can be possessive, but this attribute can help strengthen their relationship.

However, their moon sign compatibility is not as promising. But the couple can still do something about it to make it work.

"They could rise above their misunderstandings and accept one another, giving each other the space to be who they are without allowing jealousy to get in the way," Rosebud Baker wrote.

Did Griffin purchase a present for Jenner in her favorite jewelry shop? Drop a comment below.