The former Olympian has reportedly offered words of advice to the basketball player while he tries to make amends with his estranged wife - Bruce's daughter - Khloe Kardashian.
Khloe, 30, was married to the 34-year-old NBA star for four years but split from him following months of revelations the was taking cocaine and cheating on her.
Lamar is now said to be desperately trying to win back Khloe and has turned to Bruce, 64 - who separated from his wife Kris Jenner last year - for help.
A source told Hollywood Life: ''(Bruce) only tells Lamar to follow his heart.
''Bruce is old school, and tells Lamar that if he follows his heart and if his heart only beats for Khloe, go after her and don't stop!''
Bruce's words of wisdom come just days after the brunette beauty was reportedly back in contact with Lamar.
The 'Keeping Up with the Kardashians' star reportedly reached out to her spouse - whom she filed for divorce from in December - following her split from rapper French Montana.
A source said: ''After months of not talking, she's been calling Lamar. Ever since the split, Khloé's been super sad and really missing Lamar, so she decided to reach out. Lamar was so happy to hear from her.''
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