Princess Diaries in Love - Meg Cabot, Pan Macmillan

When Princess Mia finds one of her old diaries, she's taken back to her first ever Valentine's Day with Michael ...Grandmere's personal astrologer has predicted that Mia will find long-term happiness with a Leo. But it cannot be true. Michael is a Capricorn! Now Mia has to make sure her first Valentine's Day with Michael is totally perfect. Then the terrible truth comes out: Michael doesn't even believe in Valentine's Day! Can Mia convert her Valentine Hater boyfriend in just two days - and prove their love is written in the stars?