Eiffel Tower may have already had their identity exposed before removing their mask thanks to eagle-eyed The Masked Singer sleuths. The disguised performer managed to make it through to the next round of the competition at the expense of Chicken Caesar, who was unmasked as Alexander Armstrong. Dionne Warwick and Shirley Ballas are the other two celebrities who’ve been unmasked so far this series with another set to be revealed on Saturday. Eiffel Tower is at risk and guesses have varied wildly as to who exactly could be under the mask. Jonathan Ross has guessed Spice Girl Geri Horner is the se…