All those nanny lawsuits appear to be taking their toll -- on Rob Lowe's belly.
The 44-year-old former hunk let it all hang out on the beach in Santa Barbara this weekend.
Looks like the only six-pack in Rob's life is of the Budweiser variety.
Rob Lowe's Gut Check
6/9/2008 12:44 PM PDT BY TMZ STAFF
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