Jay Z and Beyonce: Cheering On The Champ At Wimbledon

Jay Z and Beyonce had one of the best seats in the house for Serena Williams' record-tying W at Wimbledon.

Williams took down Angelique Kerber Saturday on the grass to take her 22nd Grand Slam singles title ... tying Steffi Graf for most all time. Jay and B were in good company, sitting with Venus Williams and the rest of Serena's family.

Ellen DeGeneres, Portia DiRossi, Vera Wang and Natatlie Portman were there too.

Serena and Beyonce are known to be tight -- with Williams recently appearing in the singer's "Lemonade" video -- but judging by the pic, Jay Z might be the bigger fan.