WATCH: Why Valentine's is special to Gemma

Gemma told Matt and Mike how she always received a card signed with a '?' on Valentine's Day when she was younger.

She went on to explain they always had really personal messages in and she got so excited every year.

However, when she was 17 the mystery behind the cards was revealed.

See what happened...

So sweet!

Listen to Key 103 with Gemma, Matt and Mike weekdays from 6am.

• Gemma Atkinson
• Key 103
• Breakfast Show