Luisana, 24, who forged a successful career as an actress in her home country of Argentina, signed up as the face of the brand [Ultimo] for a two-year stint in October last year.
Since then, sales have rocketed by 37 per cent - a spike that [Ultimo founder Michelle] Mone attributes in part to the 'Lopilato effect'.
I don't think I need to describe the nature of that effect from the male physiological perspective.
Happy Valentine's Day! Michael Bublé's model wife Luisana Lopilato unveils new lingerie range for Ultimo