There have been whispers that Rihanna is 'gearing up to announce a massive comeback tour' but it all has been kept under wraps amid claims that even some members of her own team are unaware of her next big move.The 34-year-old music superstar and mogul has been at the center of rumors that she will be hitting the road again with three sources indicating to Page Six on Tuesday that they have heard rumblings.However, any such plans have been kept under wraps as an insider told the publication: 'There has been a lot of talk among people in the know, especially in the last week or two, that Rihanna is gearing up to announce a tour.'It seems to be more than just hearsay at this point.'A different source for the daily added: 'Even some members of Rihanna’s team have been kept in the dark.