Celebrities With The Most Expensive Cars In The World 30. Lady Gaga Not very passionate about cars, Lady Gaga has an Audi R8 GT, a Mercedes-Benz GL450, and a Chevrolet Suburban. Prev Next Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45