Justin Bieber sent a pretty clear message to Mariah Yeater, the woman who once claimed that she carried the 18-year-old’s child, on his Twitter account yesterday.

OK! NEWS: JUSTIN BIEBER GIVES BACK TO FANS FOR HIS CHARITY PENCILS FOR PROMISE

Following a painful split from husband Ashton Kutcher, an overdose scare and a stint in rehab, Demi Moore is desperate to get back on track. And now she's turning to the one woman she believes can help her do it: Oprah Winfrey.

OK! NEWS: DEMI MOORE AND STARS CELEBRATE LAUNCH OF AMANDA CADENET'S THE CONVERSATION

Her probation for a 2007 DUI — etc. — has been lifted and now Lindsay Lohan has received yet another in a long series of second chances. The troubled 25-year-old is staking her latest comeback on the Lifetime TV movie Liz and Dick, in which she'll portray Elizabeth Taylor during the film legend's tumultuous relationship with Richard Burton. 

Queen Elizabeth II rings in her 86th birthday today, Apr. 20! So, how did the British Royal celebrate?

OK! NEWS: QUEEN ELIZABETH II GOES TO COLLEGE IN CAMBRIDGE

E! Online reports that the monarch opted for a mellow Saturday with her loved ones at Windsor Castle instead of a lavish affair.

Fresh off filming the Great Gatsby, based on F. Scott Fitzgerald’s classic roaring 20’s novel, Isla Fisher revealed the quirky way director Baz Lurhmann helped loosen up everyone on set.

OK! NEWS: COURTENEY & ISLA'S LUNCH DATE!

When Selena Gomez recently decided to launch her own namesake fragrance, she could have gone to close pals like Taylor Swift or boyfriend Justin Bieber, who have experience designing scents, for advice.

OK! NEWS: WHO IS SELENA GOMEZ'S NEXT CO-STAR? ETHAN HAWKE!