What is 'I'm so beautiful' in French?

Je suis si belle is a French equivalent of 'I'm so beautiful'. The subject pronoun 'je' means 'I'. The verb 'suis' means '[I] am'. The adverb 'si' means 'so'. The feminine adjective 'belle' means 'beautiful'. All together, it's pronounced 'zhuh swee see behl'.

That's what a 'beautiful' female says. A 'beautiful' or 'handsome' male says, 'Je suis si beau'. It's pronounced 'zhuh swee see boh'.