Apparently Tristan and Khloe were already expecting a baby together via surrogate...
From The Daily Mail
Khloe Kardashian is set to welcome a second child with her cheating ex-boyfriend Tristan Thompson.
The 38-year-old star's rep confirmed the news in a statement to DailyMail.com, which revealed the baby was conceived in November and will be born via surrogate.
She and the 31-year-old NBA player, who have had a rocky on/off romance since 2016, are already parents to four-year-old daughter True Thompson.