Pop sensation Lady Gaga, who is known for her bizarre fashion choices, wore a pine tree as a hat as she left the "Jingle Bell Ball" show at O2 arena.
The tree hat had some baubles and a golden star on top, reported Ace showbiz.
In addition to the tree hat, the "Applause" singer wore green wig, making her appearance similar to a Christmas tree. She additionally wore a red dress and towering boots as she walked to her hotel.
