The ex-wife of Kanye West was wearing a pink suit as she posed with men from the NBA.

And the mother-of-four also was seen in black SKIMS clothing as she held onto a basketball.

‘Introducing the SKIMS and NBA partnership. @SKIMS is now the Official Underwear Partner of the @NBA, @WNBA and @Usabasketball,’ she wrote.

‘I am incredibly proud of SKIMS partnership with the NBA, as it is a reflection of SKIMS growing influence on culture,’ said Kardashian, Co-Founder & Creative Director, SKIMS. ‘Together, SKIMS and the NBA will connect people of all backgrounds through fashion, sport, and talent, and I look forward to seeing the partnership thrive.’

New news: Kim Kardashian announced a new partnership on Monday morning. SKIMS will now be working with the NBA – the national basketball association

Play ball: The 43-year-old Keeping Up With The Kardashians veteran shared the news early on Instagram

‘The NBA’s modern approach and significant impact on pop culture, entertainment, and fashion is unparalleled in sports,’ said Jens Grede, Co-Founder & CEO, SKIMS.

‘Our partnership marks a remarkable opportunity for SKIMS and the NBA to work together on what it means to engage the next-generation of fans through basketball.’

‘SKIMS has quickly become one of our most culturally-influential brands,’ said NBA Commissioner Adam Silver.

‘We look forward to bringing NBA fans and SKIMS users unique experiences, new offerings and premium products through our partnership.

‘Together, SKIMS, the NBA, WNBA and USA Basketball will leverage the power of basketball to generate excitement and demand, by showing up in unexpected ways. Fans will see the partnership come to life at future marquee events, including NBA All-Star and the NBA In-Season Tournament.

SKIMS Mens launched on October 26.

SKIMS celebrated the launch with a new brand campaign, Every Body is Wearing SKIMS, starring NBA All-Star Shai Gilgeous-Alexander, 25, alongside the brand’s official athlete endorsers.

As part of the partnership, SKIMS will also receive media exposure across a variety of league platforms, including through on-court virtual signage during NBA and WNBA national broadcasts as well as the leagues’ official social and digital platforms.

SKIMS was recently valued at $4 billion.

Let’s go: The ex-wife of Kanye West was wearing a pink suit as she posed with men from the NBA

Work it: ‘Introducing the SKIMS and NBA partnership. @SKIMS is now the Official Underwear Partner of the @NBA, @WNBA and @Usabasketball,’ she wrote