The incoming First Lady wore a pale blue cashmere ensemble.
The candlelight dinner will be held tonight at Union Station.
Market sources say Versace is working on an expansion plan ahead of the listing and that its has recently held discussions with Tisci.
Walgreens previously said it anticipated the merger for the two chains to close in early 2017.
According to a market source, the private equity fund is placing around 400 million euros, or $425 million, on the plate.
Viviscal’s product line is sold in more than 25,000 U.S. doors.
Founders Mikael Söderlindh and Viktor Tell will remain involved with the company.
The two firms still have to execute a merger agreement.
The fund purchased a 70 percent stake in the French shirtmaker from EPI group.
The beauty giant is purchasing CeraVe, AcneFree and Ambi from Valeant.
The deal would cost as much as 19.8 Hong Kong dollars, or $2.6 billion. Intime operates 29 department stores and 17 shopping malls, mainly in first- and second-tier cities in China.
Investment bank Moelis & Co. is reportedly advising the Singapore-based private equity arm on a deal to buy the brand from Billabong International.