Jay-Z. Picture: Instagram

Jay-Z splurged over R1.3 million on a birthday night out for his friend Juan 'OG' Perez.

The '99 Problems' hitmaker picked up the tab for the birthday celebrations of his close friend, Juan 'OG' Perez, treating the Roc Nation Sports president and a group of executives to dinner and drinks.

The first stop for the group was Zuma in Midtown, where Jay - who has children Blue Ivy, six, and Rumi and Sir, eight months, with wife Beyonce - paid the R152,000 bill, before they headed off to Made In Mexico in Inwood, spending R150,000 on drinks, including the rapper's own D'Ussé cognac.

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According to the New York Post newspaper's Page Six column, the remaining members of the group, which was down to six, then ended the night at nearby nightclub Playroom, where the 48-year-old star ordered and paid full price for 40 bottles of Ace of Spades Champagne.

Jay Z's bill at Playroon nightclub in New York City, America. Picture: Twitter

Jay - who owns the Champagne company - was seen handing out bottles of the bubbly to other tables in the club.

His server at the nightspot later posted a picture of the 'Empire State of Mind' hitmaker's bill, which totalled R1 million, including an R128,000 tip, on his Snapchat account.

Meanwhile, it was recently revealed the hip-hop mogul - who already has his own bar chain, The 40/40 Club - is planning to open a fast food chain and has applied to trademark the brand 'Hovino'.

The application has been made under S. Carter Enterprises, through which the rapper runs various businesses under his real name Shawn Carter.

Documents show the trademark request is International, and covers "Restaurant and café services; carry-out restaurant services; self-service restaurants; catering; serving food and drinks; take-out restaurant services; bar services, pubs; cocktail lounges; wine bars."

It is not known what type of food Hovino will be serving up, but Jay and his wife Beyonce are known to enjoy vegetarian food.

The couple went vegan for a spell in 2013 and Beyonce, 36, later said: "The benefits of a plant-based diet need to be known. We should spend more time loving ourselves, which means taking better care of ourselves with good nutrition and making healthier food choices."

Jay-Z opened his high-end sports bar and restaurant, The 40/40 Club, in Manhattan in 2003 and has since expanded the chain to Atlanta, Las Vegas and Brooklyn.