This is totally worth a peek. Kate Beckinsale flaunting her jaw-dropping bikini body while sashaying down outdoor steps last night caused quite the hoopla on her Instagram, with the 47-year-old actress' video even coming complete with a little toilet talk. Kate, followed by 4.5 million and known for her sense of humor, had delivered both her age-defying looks and her razor-sharp wit, with the bombshell video seeing, well, talk of what happens when those pants turn brown. Check it out below.