Correct the sentence - Facebook with more than 1.2 billion users is celebrated its 13th birthday this year
Facebook, with more than 1.2 billion users, is celebrating its 13th birthday this year. (If the birthday is yet to be celebrated)
Facebook, with more than 1.2 billion users, celebrated its 13th birthday this year. (If the birthday celebration is over)
Facebook, with more than 1.2 billion users, celebrated its 13th birthday this year. (If the birthday celebration is over)