On October 15th, 4minute member Jiyoon uploaded an affectionate photo of her 21st birthday activities! Jeon Jiyoon tweeted, "Got smashed by a birthday cake, but still happy". 4minute, who recently performed at the 'Free Kpop Concert' in New York, seems to be back in Korea.  It looks like they threw a party for their beloved member. The girls are seen hugging the birthday girl tenderly in front of the camera.  Fans were delighted to see their close relationship and the love showered upon Jiyoon by her co-members. Netizens commented, "Haha, you got smashed hard by the cake didn't you?  Happy Birthday =D", "You've worked so hard~happy birthday", and  "Gayoon looks like she's about to kill you ._. Are you OK?" Source + Photos: Nate