Victoria Beckham's future daughter-in-law Nicola Peltz sparked baby rumours on Tuesday after claims she and fiancé Brooklyn secretly tied the knot.The American model shared a beautiful photo of herself and Brooklyn on Instagram, with the eldest Beckham boy planting a sweet kiss on his future bride's cheek.MORE: Victoria Beckham breaks silence amid Brooklyn Beckham and Nicola Peltz wedding rumoursVIDEO: Nicola Peltz and Victoria Beckham dance together However, Nicola's caption, "baby b", had fans