article_snippet.sent: Michelle Mone set up Ultimo underwear business with ex-husband (right) in 1996, but they split in December 2011 .
article_snippet.sent: The couple created lingerie brand Ultimo together in 1996, split in 2011 after she believed Michael had had an affair with bra designer, Samantha Bunn, with whom Michael has set up a rival lingerie firm.
article_snippet.sent: Michael and Michelle Mone create lingerie brand Ultimo .
article_snippet.sent: Michelle and Michael split in December after Michelle believed he had an affair with bra designer, Samantha Bunn.
article_snippet.sent: he has since set up a rival lingerie firm with Ms Bunn .