Bruce, Rumer and Tallulah Willis
Splash News Online
11/25/2011 at 03:00 PM EST
's daughters have laid low since the actress's announcement that she's ending her marriage
to Ashton Kutcher
, but Rumer, Scout and Tallulah have popped up – in Paris.
The three sisters joined dad Bruce Willis
and his pregnant wife
, Emma Heming-Willis, in the City of Light, where 17-year-old Tallulah is expected to make her society entrance Saturday at Le Bal des Débutantes at the Hotel Crillon.
After landing at Charles de Gaulle Thursday morning, the family retired to their hotel before emerging again in the evening for dinner at La Société.
Meanwhile, Moore and Kutcher were making debuts of their own – the pair's first Tweets since issuing statements regarding the divorce.
"I'm thankful for family, friends, you, & time to reach my potential," the actor wrote
, while his estranged wife – still using her @mrskutcher handle
, "Why do we have only 1 day for giving thanks? Is that why so many people feel unappreciated? Make this 1 of 365 days of Thanksgiving!"
Reporting by PETER MIKELBANK