I've heard a lot of ages of how old the Winx are and here's my opinion . . .

Season 1

Winx:

Bloom - I think she's like 15 in season one because she's a freshman.

Stella - I know the Stellais older than the other girls because she failled her first Jahr at Alfea so I would say she's 16

Tecna - I'm pretty sure that she's 15 like Bloom.

Musa - I think Musa's about 15.

Flora - Flora's is about 15 too because she's a freshman at Alfea.

*NOTE LAYLA HAS NOT JOINED THE WINX YET SO I DIDN"T PUT HER ON*

Specialist:

Sky - Is about 16 because he was there last Jahr *As sagte Von Stella*

Brandon - Is also 16 because...

The Winx were going to the bar, but they didn't know that the Specialists were coming. They didn't meet yet until they went to the bar.

The Winx were dancing. The Specialists saw Bloom. She looked awesome, and they fell right for her. But then the Specialists saw The Winx (Not Bloom). Brandon flirted with Stella, and had a glass of mineral water. Riven saw Musa, who acts like a bad-boy, so he fell right to her. They danced to the groove of the music. Flora looked at Helia, which surprised Helia as she came over checking out his sketch. It was Flora, and instead, they decided to drink some...