Rihanna’s designer has slammed the A$AP Rocky cheating rumours as “vile”. Shoe designer Amina Muaddi was caught in the middle of the rumours that Rihanna and A$AP had split after he allegedly ‘cheated’ on the pop star with the designer and she has spoken out for the first time after the rumours circulated. Whilst sources close to Rihanna and A$AP – who are expecting their first child together – have denied the rumours, no one alleged to be involved has spoken out until now. In a lengthy statement on Instagram, Amina wrote: “I’ve always believed that an unfounded lie spread on social media does…