She wrote: “Happy Valentine's Day! Remember, love is like a rollercoaster ride - sometimes it's exhilarating but sometimes u (sic) feel sick and want to get off."
The tweet comes amid allegations that Warne bedded a porn star while romancing Hurley. It is the second setback in their short romance. In December, the couple briefly split after the 41-year-old cricketer admitted to sending over 100 saucy texts to another woman.