Ian McKellen has previously opened up about breaking down in tears on the set of The Hobbit: An Unexpected Journey. The term ‘screen legend’ is thrown around like a Frisbee amongst movie fans, but if anybody has earned that title, well and truly, it’s Ian McKellen. The 84-year-old English actor is known for a wealth of beloved roles, including Magneto in the innovative X-Men franchise and Gandalf in The Lord Of The Rings trilogy. So perfect for that last part, in fact, he reprised it in The Hobbit prequel trilogy. Fans were smitten to see him back donning the cloak and strolling with his staff…