Rach and Bob Harper Play "Who Wants to Be a Millionaire" + Super-Fit Mom of 4 Hilaria Baldwin

Bob Harper is Rachael’s co-host today, and they’re both in the million-dollar hot seat when “Who Wants to Be a Millionaire” host Chris Harrison stops by! Plus, we’re pulling off a makeover for one mom who’s still rocking an '80s look, and super mom Hilaria Baldwin helps one couple check learning yoga off their bucket list. Plus, what's for dinner? Rachael’s cooking Spaghetti Squash with Pesto!