Make 5 expressing congratulation and complemeting

To congratulate someone :
- Congrats!
- Congratulations!
- I'd like to congratulate you on ...
- Let me offer you my warmest congratulations.
- Congratulations, you deserved it!
- Congrats, I'm so proud of you!

To compliment someone :
- You look dashing!
- I like your haircut.
- Your outfit suits you well!
- You've done a brilliant job!
- Your smile is contagious!