Devin Booker showers love on his 'Queen' Kendall Jenner on her 26th birthday

Devin Booker gushed over his girlfriend Kendall Jenner in a sweet birthday tribute.

The NBA player made sure to celebrate the supermodel big day as she turned 26 years' old on Wednesday.

Taking to Instagram, the Phoenix Suns athlete shared a glimpse of their private relationship, captioning a photo of the reality star, "Most beautiful woman."

Devin included a crown emoji, suggesting that she's his queen. 

The couple, who had kept their relationship under wraps, made their romance public on Valentine's Day. 

According to an insider, Kendall "appreciates" that Devin respects her desire for privacy. 

The source shared in April, "Devin is quiet and not interested in being in the spotlight or a celebrity... She really appreciates that about him and is attracted to that."