By Harry Rutter Taylor Swift showed her “dominant” side in a secret smooch with beau Travis Kelce, according to a body language expert. The happy couple thought no one was watching as they enjoyed some rare downtime during the final dates of her Eras Tour in Singapore. Her NFL tight end boyfriend has been supporting the Blank Space hitmaker throughout her performances. As the pair were seen embracing after a celebratory meal with her bandmates, behavioural expert Judi James tells The Mirror that Taylor showed Travis the “strength of her feelings” as the duo’s whirlwind relationship continues t…