But few expected Dubai-based Tim to appear in the show.
Last night, though, Hugo took his new girlfriend, Natalie, and an E4 camera crew, to meet his dad. For advocacy connoisseurs, it was quite a treat.
The gravelly-voiced silk – made a QC in 2011 – launched in with some tough questions...
'So what do you see in my son?' he demanded.
'When you met him did you want to change him?' he added suspiciously.
But as you can see from the screenshot below, Natalie soon won Tim over.
Most interesting of all was the glimpse viewers got of Tim’s sumptuous home, which features a fetching portrait of the great man himself.
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