The pop star and the supermodel share a moment together in London. Plus: Jen & Marc, Posh, Gwyneth and more

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BALANCING ACT

Reese Witherspoon does a one-handed juggling act as she shares a sweet V-Day treat with the little man in her life, son Deacon, 3 (not pictured), in Brentwood, Calif., on Wednesday. While Witherspoon has chosen not to comment on the breakup of her marriage, her estranged husband Ryan Phillippe tells talk show host Ellen DeGeneres (in an episode airing Friday) that the split is "the most personally devastating time in (my) life."