Vince Vaughn is expecting his second child, Melissa Gilbert and Timothy Busfield tied the knot, and more

By Ray Rahman
Updated May 03, 2013 at 04:00 AM EDT

More flower power for Poppy Montgomery. The former Without a Trace actress, 40, and her boyfriend, Microsoft exec Shawn Sanford, 42, welcomed daughter Violet on April 22.

Vince Vaughn, 43, and wife Kyla, 34, are expecting their second child this August…. Country star Dierks Bentley, 37, and wife Cassidy, 33, will welcome their third child this fall.

Little House on the Prairie alum Melissa Gilbert, 48, and thirtysomething‘s Timothy Busfield, 55, tied the knot on April 24 in Santa Barbara.

After 11 years together, country singer Jason Aldean, 36, and his wife, Jessica Ussery, 33, filed for divorce on April 26, citing irreconcilable differences. This comes seven months after Aldean was photographed cozying up to ex-American Idol contestant Brittany Kerr at a bar.

Catherine Zeta-Jones, 43, has entered a treatment facility to ”proactively” manage her previously diagnosed bipolar II disorder, her rep confirmed April 30…. Dwayne ”The Rock” Johnson, 41, underwent hernia surgery on April 22 to treat injuries sustained during a WWE wrestling match earlier in the month…. Poet Maya Angelou, 85, was briefly hospitalized for undisclosed reasons late last month. She was released but remains under doctor’s orders to forgo travel for several weeks.

May 4: Will Arnett, 43
May 6: George Clooney, 52
May 8: Enrique Iglesias, 38
May 9: Rosario Dawson, 34; Billy Joel, 64