After her performance, Spears ends her night with a quiet return to her Las Vegas hotel. Plus: J. Lo, Jake & Reese and more

SUPPORTING ACTORS

Are-they-or-aren't-they twosome Reese Witherspoon and Jake Gyllenhaal keep each other focused while promoting Rendition Friday at the Toronto International Film Festival. On the way into the event, Gyllenhaal raved about his costar: "We don't have any scenes together actually, but she's incredibly talented."