Washington (CNN)Donald Trump is lovin' it. The billionaire real estate mogul snagged enough delegates to clinch the Republican nomination Thursday, and celebrated with a meal from McDonald's. He posted a photo to Instagram where he is pictured on his personal plane looking away from the camera with what appears to be an untouched McDonalds' burger, an empty case of fries and an open Diet Coke with the caption, "Celebrating 1237!