diff --git a/Eloquent/Builder.php b/Eloquent/Builder.php
index 1427c016f..ce592b0a9 100755
--- a/Eloquent/Builder.php
+++ b/Eloquent/Builder.php
@@ -623,6 +623,31 @@ public function findOrFail($id, $columns = ['*'])
         return $result;
     }
 
+    /**
+     * Find a model by its primary key with eager loaded relations, or throw an exception.
+     *
+     * @param  mixed  $id
+     * @param  array|string  $relations
+     * @param  array|string  $columns
+     * @return ($id is (\Illuminate\Contracts\Support\Arrayable<array-key, mixed>|array<mixed>) ? \Illuminate\Database\Eloquent\Collection<int, TModel> : TModel|null)
+     */
+    public function findOrFailWith($id, $relations, $columns = ['*'])
+    {
+        if (is_string($relations)) {
+            $relations = [$relations];
+        }
+
+        $result = $this->findOrFail($id, $columns);
+        if ($result instanceof Collection) {
+            $result->loadMissing($relations);
+        }
+        if ($result instanceof Model) {
+            $result->loadMissing($relations);
+        }
+
+        return $result;
+    }
+
     /**
      * Find a model by its primary key or return fresh model instance.
      *
@@ -668,6 +693,31 @@ public function findOr($id, $columns = ['*'], ?Closure $callback = null)
         return $callback();
     }
 
+    /**
+     * Find a model by its primary key with eager loaded relations.
+     *
+     * @param  mixed  $id
+     * @param  array|string  $relations
+     * @param  array|string  $columns
+     * @return ($id is (\Illuminate\Contracts\Support\Arrayable<array-key, mixed>|array<mixed>) ? \Illuminate\Database\Eloquent\Collection<int, TModel> : TModel|null)
+     */
+    public function findWith($id, $relations, $columns = ['*'])
+    {
+        if (is_string($relations)) {
+            $relations = [$relations];
+        }
+
+        $result = $this->find($id, $columns);
+        if ($result instanceof Collection) {
+            $result->loadMissing($relations);
+        }
+        if ($result instanceof Model) {
+            $result->loadMissing($relations);
+        }
+
+        return $result;
+    }
+
     /**
      * Get the first record matching the attributes or instantiate it.
      *
diff --git a/Eloquent/Collection.php b/Eloquent/Collection.php
index 3f2679149..13f0ed5e9 100755
--- a/Eloquent/Collection.php
+++ b/Eloquent/Collection.php
@@ -82,6 +82,57 @@ public function findOrFail($key)
         throw $exception;
     }
 
+    /**
+     * Find a model in the collection by key with eager loaded relations.
+     *
+     * @param  mixed  $key
+     * @param  string|array $relations;
+     * @return ($key is (\Illuminate\Contracts\Support\Arrayable<array-key, mixed>|array<mixed>) ? static : TModel)
+     */
+    public function findOrFailWith($key, $relations)
+    {
+        if (is_string($relations)) {
+            $relations = [$relations];
+        }
+
+        $result = $this->findOrFail($key);
+        if ($result instanceof Collection) {
+            $result->loadMissing($relations);
+        }
+        if ($result instanceof Model) {
+            $result->loadMissing($relations);
+        }
+
+        return $result;
+    }
+
+    /**
+     * Find a model in the collection by key with eager loaded relations.
+     *
+     * @template TFindDefault
+     *
+     * @param  mixed  $key
+     * @param  string|array $relations;
+     * @param  TFindDefault  $default
+     * @return ($key is (\Illuminate\Contracts\Support\Arrayable<array-key, mixed>|array<mixed>) ? static : TModel|TFindDefault)
+     */
+    public function findWith($key, $relations, $default = null)
+    {
+        if (is_string($relations)) {
+            $relations = [$relations];
+        }
+
+        $result = $this->find($key, $default);
+        if ($result instanceof Collection) {
+            $result->loadMissing($relations);
+        }
+        if ($result instanceof Model) {
+            $result->loadMissing($relations);
+        }
+
+        return $result;
+    }
+
     /**
      * Load a set of relationships onto the collection.
      *