Multi-platinum recording artists Lil' Wayne & Eminem have been recorded into the 'Guinness Book of World Records'..

After Wayne put out the challenge back on February 15, his fans posted 668,198 comments which broke the previous record held by Oreo cookies.

With 42.5 million 'likes' Eminem's  official page is in the Top 5 pages with, Facebook's own page, Lady Gaga and Zynga.

Guinness states, "We're excited at the opportunity to recognize the growing world of social media records and look forward to more history being made in this digital space!"