The Australian actor, 56, showed off his bulging biceps in a singlet as he performed ... if anyone is going to spend less time with the kids this year, it's him,' they added.

Legend (born Stephens) had previously had 'chrissylunamiles' inked on his right bicep as a tribute to his eight-year-old daughter Luna Simone Stephens and six-year-old son Miles Theodore Stephens.

If you want to be able to lift any type of load, from luggage to your kids, you'll need healthy flexion. Your biceps also supinate the forearm (turns it to face upward). And when you train your ...