Director's spokesman rubbishes rumours
The claims follow the announcement that the director, 44, and his wife Kate Winslet have split.
Sam‘s spokesman Simon Hall tells E! Online the rumours surrounding Rebecca are ‘ridiculous’.
Oscar-winner Kate, 34, and Sam separated earlier this year.
She is currently on holiday in Mexico with her their son Joe Alfie, 6, and daughter Mia Honey, 9.
Kate was previously married to Jim Threapleton.
VIDEO Kate Winslet splits from Sam Mendes…