Kanye West celebrated his 39th birthday on Wednesday (June 8), which seemed to inspire his wife Kim Kardashian to do a little research on the couple’s astrological compatibility. As it turns out, Gemini Kanye is the perfect match for Libra Kim and the two even enjoy a ‘five-star’ sex life.

Kim Kardashian and Kanye WestKim and Kanye really are a match made in heaven.

Writing on her website in a post titled ‘The Week in Kanye: Libra and Gemini Forever’, Kim said: "I did a little research about Libras and Geminis and found out they're a perfect match! One website even said that we were one of the best matches in the zodiac.

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“We're both air signs on the same wavelength. SO true! We've had an amazing connection right from the start,” she gushed. According to Kim’s research, her "serene presence” soothes her Gemini husband. The two also perfectly match each other as conversationalists, which Kim wrote "is not an easy task."

The couple are also both fans of travel and surprises. In the bedroom things are also perfect, as Kim revealed: “Libra/Gemini sex gets a 5-star rating because we're so in tune with each other."

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On Kanye’s birthday Kim posted a sweet message on Instagram, referring to her husband as her ‘best friend’ “Happy birthday to my best friend!” she wrote. “I usually would be scared for us getting older but as each year passes I'm just happy we have more time on this earth together! I love you so much and hope this year brings you so much happiness.”