Sept. 12: Spears gives birth to her second son with Federline, Jayden James. Two days later, their son Sean Preston turns 1.
Oct. 12: Federline tells Extra his "children come first."
Oct. 15: Spears makes her first post-baby public outing – to L.A.'s trendy Planet Blue Boutique – looking sleek and fit in low-slung jeans, a fitted sweater vest and peep-toe pumps.
Oct. 16: Federline makes an appearance at the WWE Monday Night RAW event at L.A.'s Staples Center, where wrestler John Cena slams the would-be rapper onto the canvas amid a chorus of boos from the crowd.
Oct. 18: Spears – sans Kevin – heads to Las Vegas to work on her own album and enjoy some downtime. She catches the midnight show at Pure Nightclub's Pussycat Dolls Lounge, and the next day grooves until the early wee hours with a gal pal and two male dancers at the Venetian's Tao.
Complete Britney Coverage
Nov. 2-4: Federline hits New York City to promote his album. He appears on MTV's Total Request Live, attends a party for designer Tom Ford's new fragrance, hosts another album release party and plays a show – all without Spears.
Nov. 6: Spears shows off her svelte figure during a brief surprise appearance on The Late Show with David Letterman.
Nov. 7: Spears files for divorce at Los Angeles Superior Court, citing irreconcilable differences.
Nov. 7 Just hours after news breaks of her divorce filing, a smiling Spears dines out at New York's Baldorios with four pals.