I had bells palsy 15 years ago. Is it true I cannot have the latest invasive facelift?

Thank you for your question. Answer to your question is No.  I perform facelift on many patients that have had Bell's palsy to improve their facial laxity due to weak nerve.  The surgeon is able to adjust the SMAS tightening on each side to create a more symmetrical facial features.  I perform segmental tightening of the SMAS to achieve this goal.  You need to have a consultation with a board certified facial plastic surgeon who primarily preforms facelift surgery.  

You can absolutely have a facelift even if you previously had Bell’s Palsy. In fact, if you have residual paralysis or asymmetry, a facelift could help resolve that. Please do work with an expert facial plastic surgeon, though, to get the best results. I hope this helps.

Thanks for your question. 
To my knowledge, a previous episode of Bell's Palsy that has since resolved is not a contraindication for a particular facelift technique. 
If there is residual asymmetry following that last episode and the facelift is being used as a treatment, there still should be no contraindication for a particular technique which I am aware of. 
Seeing a plastic surgeon who is board certified or eligible will allow you to discuss a particular technique in conjunction with a detailed examination. 
Best wishes, 
Rohit Jaiswal, MD
Plastic Surgeon
Las Vegas, NV