Khloe Kardashian and Lamar Odom have had a tumultuous few years, but the reality TV star has continued to keep in touch with her ex.
[ Related: Lamar Odom Is Spotted On A Rigorous Hike After Months Of Radio Silence! Is The Athlete Trying To Get Healthy Again? ]
In a clip from Keeping Up With The Kardashians, Kris Jenner asks Khloe for Lamar's phone number because she wants to tell him 'happy birthday.' The problem is that L.O. hasn't been taking any calls because his phone has been off for weeks.
Could this be the final straw for KhloMar?
Ch-ch-check it out
Tags: keeping up with the kardashians, khloe kardashian, khloe kardashian ex, khloe kardashian photos, lamar odom, lamar odom photos, phone number