'We need peace': John Legend, others speak out after Dallas police shootings

Creed's Michael B. Jordan, superstar Lady Gaga andmusician JohnLegendare among the famous faces asking people to come together in peace following the police shootings in Dallas Thursday.

• 'Place is like a ghost town': Large swath of downtown Dallas cordoned off as crime scene

"This is the time to unify; our communities, our churches and our homes," Jordan posted in a lengthy messageon hisInstagramaccount Friday. "Change will take all of us, we can no longer say or do...Nothing."

The ambushin Dallas happened aspeople gathered in the streets to protest the fatal police shootings of two black men Alton Sterling, 37 and Philando Castile, 32caughton video earlier in the week.

• Mother of Alton Sterling's son says she's mourning with Dallas officers' families
• Officer who killed Philando Castileidentified

Lady Gaga implored fans on Twitter Fridayto "stick together during this divided time" and to"be kind" and "compassionate to one another."

Legend also made a call for "peace in the streets."

Legend took the conversation a step further and included the National Rifle Association of America (NRA) in his tweets about the need for gun control.

"Are you committed to a society that is so armed that police have a reason to fear every encounter?" he posted, including the NRA's Twitter handle in his message.

Grey's Anatomy and Scandal creator and producer Shonda Rhimesalso called for policy changes in the U.S.

"A man with a high powered rifle committed a mass shooting," she wrote on Twitter Friday. "Again. GUN CONTROL."

Comic actor Kevin Hart, who posted on Twitter Friday "an eye for an eye leaves everybody blind" andasked other entertainers to take a day out and "simply talk and try to come up with a solution,"posted a video Saturday saying he hoped he could use laughter to help people come together after a difficult week.

Warning: the video post below includes explicit language

Trevor Noah, whose impassioned monologue Thursday as host ofThe Daily Showthoughtfully recognized that "you can bepro-cop and pro-black", followed up with a message on Twitter.

"One step forward, ten steps back," he wrote immediately following the police shootings in Dallas."The point is to save lives not trade places."