Jamie Lynn Spears gets engaged, Jason Segel makes first appearance after Michelle Williams split, and Kate Middleton buys a $55 maternity dress: See Us Weekly's top five stories from the weekend in the roundup!

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Here comes the bride! It looks like there's going to be a wedding in the Spears family after all -- Britney's little sister, Jamie Lynn, is engaged to her boyfriend of three years, Jamie Watson.



Scooting through life post-break up! Jason Segel was spotted cruising through West Hollywood on Saturday, March 2 in his first appearance following his split from Michelle Williams.



Kate Middleton is Lovestruck -- by a dress! The pregnant Duchess of Cambridge did a little maternity shopping this week at a London TopShop, where she picked up a sweet flowered frock by U.K.-based clothing concession Lovestruck, a rep for the company confirms exclusively to Us.



As one of the biggest movie stars in Hollywood, not to mention an Academy Award-winning director, Ben Affleck knows the price of fame. And he's usually happy to pay it -- except when it puts his kids in danger. On Friday, March 1, things got a little too close for comfort when he and his 4-year-old daughter, Seraphina, were swarmed by some particularly aggressive paparazzi outside her school.



Looks like Justin Bieber's happy birthday had a very unhappy ending. Shortly after heading out to celebrate turning 19 years old on Friday, March 1, the singer returned to Twitter with a short but telling summary of his night.