Formal/Literary:
* J'aime mon amour! - This is the most straightforward and literal translation. It emphasizes the love itself.
Informal/Romantic:
* Je t'aime mon amour! - This translates to "I love you my love!" and is a more affectionate and intimate way to say it. You would use this with someone you are very close to.
Playful/Slang:
* J'adore mon chéri(e)! - This translates to "I adore my darling!" and is a more playful and affectionate way to say it.
Contextual:
* Mon amour, je t'aime! - This translates to "My love, I love you!" and is a good way to express your love in a specific context.
The best option for you will depend on the context and your relationship with the person you are speaking to.