A day before his 50th birthday, superstar Aamir Khan on Friday cut a vegan birthday cake as part of his celebrations with mediapersons here -- a practice he follows every year.The "PK" star, who recently adapted a vegan diet, will turn 50 on Saturday. But he chose to celebrate his special day a day earlier with mediapersons. Thanking journalists for their presence in the parking area of his Bandra residence here, he said: "I feel very special. Thanks to everyone for coming here. Every year, you have been loving me so much. I'm thankful to all of you."The actor, who has been preparing for his role as a wrestler in "Dangal", said he took off from his workout routine on Friday."Today I have not worked out. I took a holiday from workout, and I spent time with Azad (son)," said Aamir, adding that he is looking forward to "something special" that his wife Kiran Rao has planned for him.