http://twitter.com/#!/spin1038/status/224886944449036289

Actress Uma Thurman gave birth to her third child yesterday, a baby girl. This is her first child with current on-and-off-again boyfriend Arpad Busson. She has two other children with her ex-husband, actor and author Ethan Hawke.

Uma Thurman Welcomes Third Child: Uma Thurman has given birth to a baby girl, Us Weekly reports.Uma Thurman preg… http://t.co/MyMMFEbw

— FortuneMediaVentures (@FMVMedia) July 16, 2012

More from TVGuide.com:

The baby arrived Sunday and is the first child for the actress and her boyfriend, financier Arpad Busson. No other details were available. Thurman has two children, daughter Maya, 13, and son Levon, 10, with ex-husband Ethan Hawke. Busson has two sons with Elle Macpherson.

Congratulations poured in on Twitter.

Congratulations to Uma Thurman! She gave birth to a baby girl on Sunday http://t.co/41tOz5o7

— Us Weekly (@usweekly) July 16, 2012

Congratulations to @UmaThurman gave birth to baby girl yesterday! http://t.co/1BoDBwi1

— Leri (@DashLeri) July 16, 2012

Uma Thurman has given birth to a baby girl! Congratulations ♥

— Gbi. (@_gabsilv) July 16, 2012

Others were a tad confused as to why “Uma Thurman” is trending this morning.

@zaynmalik hey dude, do you know why is Uma Thurman trending? does she have a bday or something?

— cristina| ASH,PLS ☹ (@lady_lightwood) July 16, 2012

I completely missed that she was pregnant. Uma Thurman Gives Birth to Baby Girl!: http://t.co/quWcq09K

— Amy Nelson (@AmyPioneerPress) July 16, 2012

And still others were quick to give advice to the third-time mom.

congrats Uma Thurman!!! Now get back in fighting shape; we're DYING for KILL BILL III >=}

— ✟ LANA DEL SLAY ✟ (@itsbretneybitch) July 16, 2012

Sheesh! All about him!

Twitchy congratulates Ms. Thurman and Mr. Busson on the birth of their precious baby girl. All the best!

Read more: http://twitchy.com/2012/07/16/congratulations-uma-thurman-gives-birth-to-baby-girl-her-third-child/