Nothing wrong with ink. Plenty of posters here have them, myself included; they're just in slightly more discrete places. A member here, in stitches, has a giant Star of David tattooed in the center of his chest. A bit shows when he's tieless.
As far as Clooney and Pitt are concerned...they looked good because they were Clooney and Pitt. And would have looked better in something non-matchy.
I thought your tramp stamp showed whenever you bent down to tie your shoe laces.